This year is noted for the end of the
First World War
World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fig ...
, on the eleventh hour of the eleventh day of the eleventh month, as well as for the
Spanish flu
The 1918–1920 influenza pandemic, commonly known by the misnomer Spanish flu or as the Great Influenza epidemic, was an exceptionally deadly global influenza pandemic caused by the H1N1 influenza A virus. The earliest documented case wa ...
pandemic that killed 50–100 million people worldwide.
Events
Below, the events of
World War I
World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...
have the "WWI" prefix.
January
*
January
January is the first month of the year in the Julian and Gregorian calendars and is also the first of seven months to have a length of 31 days. The first day of the month is known as New Year's Day. It is, on average, the coldest month of the ...
–
1918 flu pandemic
The 1918–1920 influenza pandemic, commonly known by the misnomer Spanish flu or as the Great Influenza epidemic, was an exceptionally deadly global influenza pandemic caused by the H1N1 influenza A virus. The earliest documented case was ...
: The "Spanish flu" (
influenza
Influenza, commonly known as "the flu", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These symptom ...
) is first observed in
Haskell County, Kansas.
*
January 4
Events Pre-1600
*46 BC – Julius Caesar fights Titus Labienus in the Battle of Ruspina.
* 871 – Battle of Reading: Æthelred of Wessex and his brother Alfred are defeated by a Danish invasion army.
1601–1900
*1649 – E ...
– The
Finnish Declaration of Independence is recognized by
Soviet Russia
The Russian Soviet Federative Socialist Republic, Russian SFSR or RSFSR ( rus, Российская Советская Федеративная Социалистическая Республика, Rossíyskaya Sovétskaya Federatívnaya Soci ...
,
Sweden,
Germany
Germany, officially the Federal Republic of Germany (FRG),, is a country in Central Europe. It is the most populous member state of the European Union. Germany lies between the Baltic and North Sea to the north and the Alps to the sou ...
and
France
France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan ar ...
.
*
January 9 –
Battle of Bear Valley: U.S. troops engage
Yaqui
The Yaqui, Hiaki, or Yoeme, are a Native American people of the southwest, who speak a Uto-Aztecan language. Their homelands include the Río Yaqui valley in Sonora, Mexico, and the area below the Gila River in Arizona, Southwestern United ...
Native American warriors in a minor skirmish in Arizona, and one of the last battles of the
American Indian Wars
The American Indian Wars, also known as the American Frontier Wars, and the Indian Wars, were fought by European governments and colonists in North America, and later by the United States and Canadian governments and American and Canadian settle ...
between the United States and Native Americans.
*
January 15
** The
keel
The keel is the bottom-most longitudinal structural element on a vessel. On some sailboats, it may have a hydrodynamic and counterbalancing purpose, as well. As the laying down of the keel is the initial step in the construction of a ship, in B ...
of is laid in Britain, the first purpose-designed
aircraft carrier to be laid down.
** The
Red Army
The Workers' and Peasants' Red Army (Russian language, Russian: Рабо́че-крестья́нская Кра́сная армия),) often shortened to the Red Army, was the army and air force of the Russian Soviet Federative Socialist R ...
(The Workers and Peasants Red Army) is formed in the
Russian SFSR
The Russian Soviet Federative Socialist Republic, Russian SFSR or RSFSR ( rus, Российская Советская Федеративная Социалистическая Республика, Rossíyskaya Sovétskaya Federatívnaya Soci ...
and
Soviet Union
The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
.
*
January 18
Events Pre-1600
* 474 – Seven-year-old Leo II succeeds his maternal grandfather Leo I as Byzantine emperor. He dies ten months later.
* 532 – Nika riots in Constantinople fail.
* 1126 – Emperor Huizong abdicates the Chine ...
- The Historic Concert for the Benefit of Widows and Orphans of Austrian and Hungarian Soldiers is held at the
Konzerthaus, Vienna
The Konzerthaus is a concert hall located in Vienna, Austria, which opened in 1913. It is situated in the third district just at the edge of the first district in Vienna. Since it was founded it has always tried to emphasise both traditional and ...
.
*
January 19
Events Pre-1600
* 379 – Emperor Gratian elevates Flavius Theodosius at Sirmium to ''Augustus'', and gives him authority over all the eastern provinces of the Roman Empire.
* 649 – Conquest of Kucha: The forces of Kucha surrender ...
– The Russian Constituent Assembly proclaims the
Russian Democratic Federative Republic
The Russian Republic,. referred to as the Russian Democratic Federal Republic. in the 1918 Constitution, was a short-lived state which controlled, ''de jure'', the territory of the former Russian Empire after its proclamation by the Russi ...
but is dissolved by the Bolshevik government on the same day.
*
January 25 – The
Ukrainian People's Republic
The Ukrainian People's Republic (UPR), or Ukrainian National Republic (UNR), was a country in Eastern Europe that existed between 1917 and 1920. It was declared following the February Revolution in Russia by the First Universal. In March 1 ...
declares independence from
Bolshevik
The Bolsheviks (russian: Большевики́, from большинство́ ''bol'shinstvó'', 'majority'),; derived from ''bol'shinstvó'' (большинство́), "majority", literally meaning "one of the majority". also known in English ...
Russia
Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eigh ...
.
*
January 27
Events Pre-1600
* 98 – Trajan succeeds his adoptive father Nerva as Roman emperor; under his rule the Roman Empire will reach its maximum extent.
* 945 – The co-emperors Stephen and Constantine are overthrown and forced to b ...
– The
Finnish Civil War
The Finnish Civil War; . Other designations: Brethren War, Citizen War, Class War, Freedom War, Red Rebellion and Revolution, . According to 1,005 interviews done by the newspaper '' Aamulehti'', the most popular names were as follows: Civil ...
begins with the
Battle of Kämärä
The Battle of Kämärä was a 1918 Finnish Civil War battle fought at the Kämärä (now Gavrilovo, Leningrad oblast, Russia) railway station on 27 January 1918 between the Whites and the Reds. The battle began as a White Guard battalion from Vy ...
.
*
January 28
Events Pre-1600
* 98 – On the death of Nerva, Trajan is declared Roman emperor in Cologne, the seat of his government in lower Germany.
* 814 – The death of Charlemagne, the first Holy Roman Emperor, brings about the accession ...
–
Porvenir massacre:
Texas Rangers, U.S. Cavalry soldiers and local ranchers kill 15 unarmed Mexican villagers, both men and boys.
February
*
February 1 –
Cattaro Mutiny: Austrian sailors in the Gulf of Cattaro (Kotor), led by two Czech Socialists, mutiny.
*
February 5
Events Pre-1600
*AD 62, 62 – AD 62 Pompeii earthquake, Earthquake in Pompeii, Italy.
*1576 – Henry IV of France, Henry of Navarre :wikt:abjure, abjures Catholicism at Tours and rejoins the Protestant forces in the French Wars of Re ...
– The is torpedoed off the Irish coast; it is the first ship carrying American troops to Europe to be torpedoed and sunk.

*
February 6 –
Women's suffrage in the United Kingdom
A movement to fight for women's right to vote in the United Kingdom finally succeeded through acts of Parliament in 1918 and 1928. It became a national movement in the Victorian era. Women were not explicitly banned from voting in Great Brita ...
:
Representation of the People Act
Representation of the People Act is a stock short title used in Antigua and Barbuda, The Bahamas, Bangladesh, Barbados, Belize, Ghana, Grenada, Guyana, India, Jamaica, Mauritius, Pakistan, Saint Vincent and the Grenadines, Trinidad and Tobago, t ...
gives most women over 30 the vote.
*
February 13
Events Pre-1600
* 962 – Emperor Otto I and Pope John XII co-sign the '' Diploma Ottonianum'', recognizing John as ruler of Rome.
*1322 – The central tower of Ely Cathedral falls on the night of 12th–13th.
* 1462 – T ...
– A
magnitude (Mw) 7.2 earthquake shakes the Chinese city of
Shantou
Shantou, Chinese postal romanization, alternately romanization of Chinese, romanized as Swatow and sometimes known as Santow, is a prefecture-level city on the eastern coast of Guangdong, China, with a total population of 5,502,031 as of the 2 ...
leaving 1,000 dead and causing a moderate tsunami.
*
February 14
Events Pre-1600
* 748 – Abbasid Revolution: The Hashimi rebels under Abu Muslim Khorasani take Merv, capital of the Umayyad province Khorasan, marking the consolidation of the Abbasid revolt.
* 842 – Charles the Bald and Lo ...
–
Russia
Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eigh ...
switches from the
Julian calendar
The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on , by edict. It was designed with the aid of Greek mathematics, Greek mathematicians and Ancient Greek astronomy, as ...
to the
Gregorian calendar
The Gregorian calendar is the calendar used in most parts of the world. It was introduced in October 1582 by Pope Gregory XIII as a modification of, and replacement for, the Julian calendar. The principal change was to space leap years di ...
; the date skips from
January 31
Events Pre-1600
* 314 – Pope Sylvester I is consecrated, as successor to the late Pope Miltiades.
*1208 – The Battle of Lena takes place between King Sverker II of Sweden and his rival, Prince Eric, whose victory puts him on the ...
to
February 14
Events Pre-1600
* 748 – Abbasid Revolution: The Hashimi rebels under Abu Muslim Khorasani take Merv, capital of the Umayyad province Khorasan, marking the consolidation of the Abbasid revolt.
* 842 – Charles the Bald and Lo ...
.
*
February 16
Events Pre-1600
*1249 – Andrew of Longjumeau is dispatched by Louis IX of France as his ambassador to meet with the Khagan of the Mongol Empire.
*1270 – Grand Duchy of Lithuania defeats the Livonian Order in the Battle of Karuse. ...
– The
Council of Lithuania
The Council of Lithuania ( lt, Lietuvos Taryba, german: Litauischer Staatsrat, pl, Rada Litewska), after July 11, 1918 the State Council of Lithuania ( lt, Lietuvos Valstybės Taryba) was convened at the Vilnius Conference that took place betwe ...
adopts the
Act of Independence of Lithuania
The Act of Independence of Lithuania ( lt, Lietuvos Nepriklausomybės Aktas) or the Act of February 16, also the Lithuanian Resolution on Independence ( lt, Lietuvos Nepriklausomybės Nutarimas), The signed document is actually titled simply '' ...
, declaring Lithuania's independence from Germany, Russia or any other state.
*
February 18
Events Pre-1600
* 1229 – The Sixth Crusade: Frederick II, Holy Roman Emperor, signs a ten-year truce with al-Kamil, regaining Jerusalem, Nazareth, and Bethlehem with neither military engagements nor support from the papacy.
*1268 &nd ...
–
Operations against the Marri and Khetran tribes
Operations against the Marri and Khetran tribes (also known as the Marri Punitive Expedition) was the British name for a punitive expedition carried out against the Marri and Khetran tribes of Balochistan, British India between February and Apr ...
in
Balochistan
Balochistan ( ; bal, بلۏچستان; also romanised as Baluchistan and Baluchestan) is a historical region in Western and South Asia, located in the Iranian plateau's far southeast and bordering the Indian Plate and the Arabian Sea coastl ...
by British authorities begin.
*
February 19
Events Pre-1600
* 197 – Emperor Septimius Severus defeats usurper Clodius Albinus in the Battle of Lugdunum, the bloodiest battle between Roman armies.
* 356 – The anti-paganism policy of Constantius II forbids the worship of ...
– WWI: The
Capture of Jericho
The Capture of Jericho occurred between 19 and 21 February 1918 to the east of Jerusalem beginning the Occupation of the Jordan Valley during the Sinai and Palestine Campaign of the First World War. Fighting took place in an area bordered by the ...
by the
Egyptian Expeditionary Force
The Egyptian Expeditionary Force (EEF) was a British Empire military formation, formed on 10 March 1916 under the command of General Archibald Murray from the Mediterranean Expeditionary Force and the Force in Egypt (1914–15), at the beginning ...
begins the
British occupation of the Jordan Valley.
*
February 19
Events Pre-1600
* 197 – Emperor Septimius Severus defeats usurper Clodius Albinus in the Battle of Lugdunum, the bloodiest battle between Roman armies.
* 356 – The anti-paganism policy of Constantius II forbids the worship of ...
–
25 – WWI: The
Imperial Russian Navy
The Imperial Russian Navy () operated as the navy of the Russian Tsardom and later the Russian Empire from 1696 to 1917. Formally established in 1696, it lasted until dissolved in the wake of the February Revolution of 1917. It developed from ...
evacuates
Tallinn
Tallinn () is the most populous and capital city of Estonia. Situated on a bay in north Estonia, on the shore of the Gulf of Finland of the Baltic Sea, Tallinn has a population of 437,811 (as of 2022) and administratively lies in the Harju '' ...
through thick ice, over the
Gulf of Finland
The Gulf of Finland ( fi, Suomenlahti; et, Soome laht; rus, Фи́нский зали́в, r=Finskiy zaliv, p=ˈfʲinskʲɪj zɐˈlʲif; sv, Finska viken) is the easternmost arm of the Baltic Sea. It extends between Finland to the north and E ...
.
*
February 21
Events Pre-1600
*452 or 453 – Severianus, Bishop of Scythopolis, is martyred in Palestine.
*1245 – Thomas, the first known Bishop of Finland, is granted resignation after confessing to torture and forgery.
* 1440 – The ...
– The last
Carolina parakeet (the last breed of
parrot
Parrots, also known as psittacines (), are birds of the roughly 398 species in 92 genera comprising the order Psittaciformes (), found mostly in tropical and subtropical regions. The order is subdivided into three superfamilies: the Psittaco ...
native to the eastern United States) dies in captivity at the
Cincinnati Zoo
The Cincinnati Zoo & Botanical Garden is the sixth oldest zoo in the United States, founded in 1873 and officially opening in 1875. It is located in the Avondale neighborhood of Cincinnati, Ohio. It originally began with in the middle of the ...
.
*
February 23
Events Pre-1600
* 303 – Roman emperor Diocletian orders the destruction of the Christian church in Nicomedia, beginning eight years of Diocletianic Persecution.
* 532 – Byzantine emperor Justinian I lays the foundation stone of a ...
–
Estonian Declaration of Independence
__NOTOC__
The Estonian Declaration of Independence, also known as the Manifesto to the Peoples of Estonia ( et, Manifest Eestimaa rahvastele), is the founding act of the Republic of Estonia from 1918. It is celebrated on 24 February, the Natio ...
from
Russia
Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eigh ...
, after seven centuries of foreign rule; German forces capture
Tallinn
Tallinn () is the most populous and capital city of Estonia. Situated on a bay in north Estonia, on the shore of the Gulf of Finland of the Baltic Sea, Tallinn has a population of 437,811 (as of 2022) and administratively lies in the Harju '' ...
the following day.
March
*
March 1
Events Pre-1600
*509 BC – Publius Valerius Publicola celebrates the first triumph of the Roman Republic after his victory over the deposed king Lucius Tarquinius Superbus at the Battle of Silva Arsia.
* 293 – Emperor Diocletian and ...
– WWI: German submarine sinks off
Rathlin Island
Rathlin Island ( ga, Reachlainn, ; Local Irish dialect: ''Reachraidh'', ; Scots: ''Racherie'') is an island and civil parish off the coast of County Antrim (of which it is part) in Northern Ireland. It is Northern Ireland's northernmost point.
...
, Northern Ireland.
*
March 3
Events Pre-1600
* 473 – Gundobad (nephew of Ricimer) nominates Glycerius as emperor of the Western Roman Empire.
* 724 – Empress Genshō abdicates the throne in favor of her nephew Shōmu who becomes emperor of Japan.
*1575 & ...
– WWI: The
Central Powers
The Central Powers, also known as the Central Empires,german: Mittelmächte; hu, Központi hatalmak; tr, İttifak Devletleri / ; bg, Централни сили, translit=Tsentralni sili was one of the two main coalitions that fought in ...
and
Bolshevist Russia sign the
Treaty of Brest-Litovsk
The Treaty of Brest-Litovsk (also known as the Treaty of Brest in Russia) was a separate peace treaty signed on 3 March 1918 between Russia and the Central Powers (Germany, Austria-Hungary, Bulgaria, and the Ottoman Empire), that ended Russia's ...
, ending Russia's involvement in the war.
*
March 6
Events Pre-1600
*12 BCE – The Roman emperor Augustus is named Pontifex Maximus, incorporating the position into that of the emperor.
* 632 – The Farewell Sermon (Khutbah, Khutbatul Wada') of the Islamic prophet Muhammad.
* 845 ...
** The Finnish Army Corps of Aviation is founded as a forerunner of the
Finnish Air Force
, colours =
, colours_label =
, march =
, mascot =
, anniversaries =
, equipment = 159
, equipment_label ...
(established on 4 May
1928
Events January
* January – British bacteriologist Frederick Griffith reports the results of Griffith's experiment, indirectly proving the existence of DNA.
* January 1 – Eastern Bloc emigration and defection: Boris Bazhano ...
). The blue
swastika
The swastika (卐 or 卍) is an ancient religious and cultural symbol, predominantly in various Eurasian, as well as some African and American cultures, now also widely recognized for its appropriation by the Nazi Party and by neo-Nazis. I ...
is adopted as its symbol, as a tribute to the Swedish explorer and aviator
Eric von Rosen
Count Carl Gustaf Bloomfield Eric von Rosen (2 June 1879 in Stockholm – 25 April 1948 Skeppsholmen, Stockholm) was a Sweden, Swedish Honorary degree, honorary doctor, patron, explorer, ethnography, ethnographer, prominent figure in the Swedish ...
, who donated the first plane. Von Rosen had painted the Viking symbol on the plane as his personal lucky insignia.
** The first pilotless drone, the
Hewitt-Sperry Automatic Airplane developed by
Elmer Ambrose Sperry and
Peter Cooper Hewitt
Peter Cooper Hewitt (May 5, 1861 – August 25, 1921) was an American electrical engineer and inventor, who invented the first mercury-vapor lamp in 1901. Hewitt was issued on September 17, 1901. In 1903, Hewitt created an improved version t ...
, is test-flown in
Long Island, New York
Long Island is a densely populated island in the southeastern region of the U.S. state of New York, part of the New York metropolitan area. With over 8 million people, Long Island is the most populous island in the United States and the 18t ...
, but development is scrapped in
1925
Events January
* January 1
** The Syrian Federation is officially dissolved, the State of Aleppo and the State of Damascus having been replaced by the State of Syria.
* January 3 – Benito Mussolini makes a pivotal speech in the It ...
, after its guidance system proves unreliable.
*
March 7
Events Pre-1600
* 161 – Marcus Aurelius and L. Commodus (who changes his name to Lucius Verus) become joint emperors of Rome on the death of Antoninus Pius.
*1138 – Konrad III von Hohenstaufen was elected king of Germany at Coble ...
- WWI:
Finland
Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bo ...
forms an alliance with Germany.
*
March 8
Events Pre-1600
*1010 – Ferdowsi completes his epic poem ''Shahnameh''.
* 1126 – Following the death of his mother, queen Urraca of León, Alfonso VII is proclaimed king of León.
*1262 – Battle of Hausbergen between bo ...
– WWI: The
Battle of Tell 'Asur is launched by units of the
British Army
The British Army is the principal land warfare force of the United Kingdom, a part of the British Armed Forces along with the Royal Navy and the Royal Air Force. , the British Army comprises 79,380 regular full-time personnel, 4,090 Gur ...
's
Egyptian Expeditionary Force
The Egyptian Expeditionary Force (EEF) was a British Empire military formation, formed on 10 March 1916 under the command of General Archibald Murray from the Mediterranean Expeditionary Force and the Force in Egypt (1914–15), at the beginning ...
against Ottoman defences from the
Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ...
, across the
Judaean Mountains
The Judaean Mountains, or Judaean Hills ( he, הרי יהודה, translit=Harei Yehuda) or the Hebron Mountains ( ar, تلال الخليل, translit=Tilal al-Khalīl, links=, lit=Hebron Mountains), is a mountain range in Palestine and Israel w ...
to the edge of the Jordan Valley; it ends on
March 12
Events Pre-1600
* 538 – Vitiges, king of the Ostrogoths ends his siege of Rome and retreats to Ravenna, leaving the city to the victorious Byzantine general, Belisarius.
*1088 – Election of Urban II as the 159th Pope of the C ...
, with the move of much of the front line north into Ottoman territory.
*
March 12
Events Pre-1600
* 538 – Vitiges, king of the Ostrogoths ends his siege of Rome and retreats to Ravenna, leaving the city to the victorious Byzantine general, Belisarius.
*1088 – Election of Urban II as the 159th Pope of the C ...
–
Moscow
Moscow ( , US chiefly ; rus, links=no, Москва, r=Moskva, p=mɐskˈva, a=Москва.ogg) is the capital and largest city of Russia. The city stands on the Moskva River in Central Russia, with a population estimated at 13.0 million ...
becomes the capital of Soviet Russia.
*
March 15
Events Pre-1600
*474 BC – Roman consul Aulus Manlius Vulso celebrates an ovation for concluding the war against Veii and securing a forty years' truce.
* 44 BC – The assassination of Julius Caesar takes place.
* 493 – ...
–
Finnish Civil War
The Finnish Civil War; . Other designations: Brethren War, Citizen War, Class War, Freedom War, Red Rebellion and Revolution, . According to 1,005 interviews done by the newspaper '' Aamulehti'', the most popular names were as follows: Civil ...
: The
battle of Tampere
The Battle of Tampere was a 1918 Finnish Civil War battle, fought in Tampere, Finland from 15 March to 6 April between the Whites and the Reds. It is the most famous and the heaviest of all the Finnish Civil War battles. Today it is particular ...
began.
[100 years ago today: Reds take Tampere, Finnish Civil War begins](_blank)
– '' Yle News'', January 27, 2018. Retrieved October 6, 2021.
*
March 19
Events Pre-1600
*1277 – The Byzantine–Venetian treaty of 1277 is concluded, stipulating a two-year truce and renewing Venetian commercial privileges in the Byzantine Empire.
* 1279 – A Mongol victory at the Battle of Yamen end ...
– The
United States Congress
The United States Congress is the legislature of the federal government of the United States. It is bicameral, composed of a lower body, the House of Representatives, and an upper body, the Senate. It meets in the U.S. Capitol in Washi ...
establishes
time zone
A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because i ...
s, and approves
daylight saving time
Daylight saving time (DST), also referred to as daylight savings time or simply daylight time (United States, Canada, and Australia), and summer time (United Kingdom, European Union, and others), is the practice of advancing clocks (typical ...
(DST goes into effect on
March 31
Events Pre-1600
* 307 – After divorcing his wife Minervina, Constantine marries Fausta, daughter of the retired Roman emperor Maximian.
*1146 – Bernard of Clairvaux preaches his famous sermon in a field at Vézelay, urging the nec ...
).
*
March 21
Events Pre-1600
* 537 – Siege of Rome: King Vitiges attempts to assault the northern and eastern city walls, but is repulsed at the Praenestine Gate, known as the '' Vivarium'', by the defenders under the Byzantine generals Bessas ...
–
July 18
Events Pre-1600
*477 BC – Battle of the Cremera as part of the Roman–Etruscan Wars. Veii ambushes and defeats the Roman army.
*387 BC – Roman- Gaulish Wars: Battle of the Allia: A Roman army is defeated by raiding Gauls, ...
– WWI: The
Spring Offensive by the
German
German(s) may refer to:
* Germany (of or related to)
**Germania (historical use)
* Germans, citizens of Germany, people of German ancestry, or native speakers of the German language
** For citizens of Germany, see also German nationality law
**Ger ...
Army along the
Western Front fails to make a breakthrough, despite large losses on each side, including nearly 20,000 British Army dead on the first day,
Operation Michael
Operation Michael was a major German military offensive during the First World War that began the German Spring Offensive on 21 March 1918. It was launched from the Hindenburg Line, in the vicinity of Saint-Quentin, France. Its goal was to ...
, on the Somme.
*
March 21
Events Pre-1600
* 537 – Siege of Rome: King Vitiges attempts to assault the northern and eastern city walls, but is repulsed at the Praenestine Gate, known as the '' Vivarium'', by the defenders under the Byzantine generals Bessas ...
– WWI: The
First Transjordan attack on Amman
The First Transjordan attack on Amman (known to the British as the First Attack on Amman)Battles Nomenclature Committee 1922 p. 33 and to their enemy as the First Battle of the JordanErickson 2001 p. 195 took place between 21 March and 2 April 1 ...
by units of the Egyptian Expeditionary Force begins, with the passage of the Jordan River.
*
March 23
Events Pre-1600
*1400 – The Trần dynasty of Vietnam is deposed, after one hundred and seventy-five years of rule, by Hồ Quý Ly, a court official.
*1540 – Waltham Abbey is surrendered to King Henry VIII of England; the last rel ...
** WWI: The giant German cannon, the '
Paris Gun' (''Kaiser Wilhelm Geschütz''), begins to shell Paris from away.
** In London at the
Wood Green
Wood Green is a suburban district in the borough of Haringey in London, England. Its postal district is N22, with parts in N8 or N15. The London Plan identifies it as one of the metropolitan centres in Greater London, and today it forms a m ...
Empire,
Chung Ling Soo
William Ellsworth Robinson (April 2, 1861 – March 24, 1918) was an American magician who went by the stage name Chung Ling Soo (). He is mostly remembered today for his accidental death due to a failed bullet catch trick.
Early years
Robinson ...
(William E. Robinson, U.S.-born magician) dies during his trick, where he is supposed to "
catch" two separate bullets (but one of them perforates his lung). He dies the following morning in a hospital.
*
March 25
Events Pre-1600
* 421 – Italian city Venice is founded with the dedication of the first church, that of San Giacomo di Rialto on the islet of Rialto.
* 708 – Pope Constantine becomes the 88th pope. He would be the last pope to visi ...
** The
Belarusian People's Republic
The Belarusian People's Republic (BNR; be, Беларуская Народная Рэспубліка, Bielaruskaja Narodnaja Respublika, ), or Belarusian Democratic Republic, was a state proclaimed by the Council of the Belarusian Democratic R ...
declares independence.
** Dr.
Karl Muck
Karl Muck (October 22, 1859 – March 3, 1940) was a German-born conductor of Classical music. He based his activities principally in Europe and mostly in opera. His American career comprised two stints at the Boston Symphony Orchestra (BSO). ...
, music director of the
Boston Symphony Orchestra
The Boston Symphony Orchestra (BSO) is an American orchestra based in Boston, Massachusetts. It is the second-oldest of the five major American symphony orchestras commonly referred to as the " Big Five". Founded by Henry Lee Higginson in 1 ...
, is arrested under the
Alien Enemies Act, and imprisoned for the duration of WWI.
*
March 26
Events Pre-1600
* 590 – Emperor Maurice proclaims his son Theodosius as co-emperor of the Byzantine Empire.
*1021 – On the feast of Eid al-Adha, the death of the Fatimid caliph al-Hakim bi-Amr Allah, kept secret for six weeks, is ...
– Dr.
Marie Stopes
Marie Charlotte Carmichael Stopes (15 October 1880 – 2 October 1958) was a British author, palaeobotanist and campaigner for eugenics and women's rights. She made significant contributions to plant palaeontology and coal classification ...
publishes her influential book ''
Married Love
''Married Love or Love in Marriage'' is a book by British academic Marie Stopes. It was one of the first books openly to discuss birth control.
The book begins by stating that "More than ever to-day are happy homes needed. It is my hope that th ...
'' in the U.K.
*
March 27
Events Pre-1600
*1309 – Pope Clement V imposes excommunication and interdiction on Venice, and a general prohibition of all commercial intercourse with Venice, which had seized on Ferrara, a papal fiefdom.
* 1329 – Pope John XXII i ...
– WWI: The
First Battle of Amman is launched by units of the Egyptian Expeditionary Force, during the First Transjordan attack on Amman; it ends with their withdrawal on
31 March
Events Pre-1600
* 307 – After divorcing his wife Minervina, Constantine marries Fausta, daughter of the retired Roman emperor Maximian.
*1146 – Bernard of Clairvaux preaches his famous sermon in a field at Vézelay, urging the nec ...
, back to the Jordan Valley.
*
March 30
Events Pre-1600
* 598 – Balkan Campaign: The Avars lift the siege at the Byzantine stronghold of Tomis. Their leader Bayan I retreats north of the Danube River after the Avaro- Slavic hordes are decimated by the plague.
* 1282 &n ...
–
March Days:
Bolshevik
The Bolsheviks (russian: Большевики́, from большинство́ ''bol'shinstvó'', 'majority'),; derived from ''bol'shinstvó'' (большинство́), "majority", literally meaning "one of the majority". also known in English ...
and
Armenian Revolutionary Federation
The Armenian Revolutionary Federation ( hy, Հայ Յեղափոխական Դաշնակցութիւն, ՀՅԴ ( classical spelling), abbr. ARF or ARF-D) also known as Dashnaktsutyun (collectively referred to as Dashnaks for short), is an Armenia ...
forces suppress a Muslim revolt in
Baku,
Azerbaijan
Azerbaijan (, ; az, Azərbaycan ), officially the Republic of Azerbaijan, , also sometimes officially called the Azerbaijan Republic is a transcontinental country located at the boundary of Eastern Europe and Western Asia. It is a part of th ...
, resulting in up to 30,000 deaths.
April

*
April 1
Events Pre-1600
* 33 – According to one historian's account, Jesus Christ's Last Supper is held.
* 527 – Byzantine Emperor Justin I names his nephew Justinian I as co-ruler and successor to the throne.
* 1081 – Alexios ...
– The
Royal Flying Corps
"Through Adversity to the Stars"
, colors =
, colours_label =
, march =
, mascot =
, anniversaries =
, decorations ...
and the
Royal Naval Air Service
The Royal Naval Air Service (RNAS) was the air arm of the Royal Navy, under the direction of the Admiralty's Air Department, and existed formally from 1 July 1914 to 1 April 1918, when it was merged with the British Army's Royal Flying Corps t ...
in Britain are merged to form the
Royal Air Force
The Royal Air Force (RAF) is the United Kingdom's air and space force. It was formed towards the end of the First World War on 1 April 1918, becoming the first independent air force in the world, by regrouping the Royal Flying Corps (RFC) an ...
, the first autonomous Air Force in the world.
*
April 5
Events Pre-1600
* 823 – Lothair I is crowned King of Italy by Pope Paschal I.
* 919 – The second Fatimid invasion of Egypt begins, when the Fatimid heir-apparent, al-Qa'im bi-Amr Allah, sets out from Raqqada at the head of hi ...
–
Sālote succeeds as Queen of
Tonga
Tonga (, ; ), officially the Kingdom of Tonga ( to, Puleʻanga Fakatuʻi ʻo Tonga), is a Polynesian country and archipelago. The country has 171 islands – of which 45 are inhabited. Its total surface area is about , scattered over in ...
; she will remain on the throne until her death in
1965
Events January–February
* January 14 – The Prime Minister of Northern Ireland and the Taoiseach of the Republic of Ireland meet for the first time in 43 years.
* January 20
** Lyndon B. Johnson is Second inauguration of Lyndo ...
.
*
April 6
Events Pre–1600
*46 BC – Julius Caesar defeats Caecilius Metellus Scipio and Marcus Porcius Cato (Cato the Younger) at the Battle of Thapsus.
* 402 – Stilicho defeats the Visigoths under Alaric in the Battle of Pollentia.
* ...
–
Finnish Civil War
The Finnish Civil War; . Other designations: Brethren War, Citizen War, Class War, Freedom War, Red Rebellion and Revolution, . According to 1,005 interviews done by the newspaper '' Aamulehti'', the most popular names were as follows: Civil ...
: The
battle of Tampere
The Battle of Tampere was a 1918 Finnish Civil War battle, fought in Tampere, Finland from 15 March to 6 April between the Whites and the Reds. It is the most famous and the heaviest of all the Finnish Civil War battles. Today it is particular ...
ends.
*
April 8 –
Operations against the Marri and Khetran tribes
Operations against the Marri and Khetran tribes (also known as the Marri Punitive Expedition) was the British name for a punitive expedition carried out against the Marri and Khetran tribes of Balochistan, British India between February and Apr ...
in
Balochistan
Balochistan ( ; bal, بلۏچستان; also romanised as Baluchistan and Baluchestan) is a historical region in Western and South Asia, located in the Iranian plateau's far southeast and bordering the Indian Plate and the Arabian Sea coastl ...
end with surrender to the British authorities.
*
April 9
Events Pre-1600
* 193 – The distinguished soldier Septimius Severus is proclaimed emperor by the army in Illyricum.
* 475 – Byzantine Emperor Basiliscus issues a circular letter (''Enkyklikon'') to the bishops of his empire, su ...
–
Union of Bessarabia with Romania
The union of Bessarabia with Romania was proclaimed on by Sfatul Țării, the legislative body of the Moldavian Democratic Republic. This state had the same borders of the region of Bessarabia, which was annexed by the Russian Empire following t ...
:
Bessarabia
Bessarabia (; Gagauz: ''Besarabiya''; Romanian: ''Basarabia''; Ukrainian: ''Бессара́бія'') is a historical region in Eastern Europe, bounded by the Dniester river on the east and the Prut river on the west. About two thirds of ...
votes to become part of the
Kingdom of Romania
The Kingdom of Romania ( ro, Regatul României) was a constitutional monarchy that existed in Romania from 13 March ( O.S.) / 25 March 1881 with the crowning of prince Karl of Hohenzollern-Sigmaringen as King Carol I (thus beginning the Romanian ...
.
*
April 21 – WWI:
Manfred von Richthofen
Manfred Albrecht Freiherr von Richthofen (; 2 May 1892 – 21 April 1918), known in English as Baron von Richthofen or the Red Baron, was a fighter pilot with the German Air Force during World War I. He is considered the ace-of-aces of t ...
, "The Red Baron", the war's most successful fighter pilot, dies in combat at Morlancourt Ridge near the Somme River.
*
April 22 –
Armenia
Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ...
,
Azerbaijan
Azerbaijan (, ; az, Azərbaycan ), officially the Republic of Azerbaijan, , also sometimes officially called the Azerbaijan Republic is a transcontinental country located at the boundary of Eastern Europe and Western Asia. It is a part of th ...
, and
Georgia
Georgia most commonly refers to:
* Georgia (country), a country in the Caucasus region of Eurasia
* Georgia (U.S. state), a state in the Southeast United States
Georgia may also refer to:
Places
Historical states and entities
* Related to t ...
declare their independence from Russia as the
Transcaucasian Democratic Federative Republic
The Transcaucasian Democratic Federative Republic (TDFR; (), (). 22 April – 28 May 1918) was a short-lived state in the Caucasus that included most of the territory of the present-day Armenia, Azerbaijan and Georgia, as well as pa ...
.
*
April 23
Events Pre-1600
*215 BC – A temple is built on the Capitoline Hill dedicated to Venus Erycina to commemorate the Roman defeat at Lake Trasimene.
*599 – Maya king Uneh Chan of Calakmul attacks rival city-state Palenque in south ...
– WWI:
**
Conscription Crisis of 1918
The Conscription Crisis of 1918 stemmed from a move by the British government to impose conscription (military draft) in Ireland in April 1918 during the First World War. Vigorous opposition was led by trade unions, Irish nationalist parties ...
in Ireland: A
general strike
A general strike refers to a strike action in which participants cease all economic activity, such as working, to strengthen the bargaining position of a trade union or achieve a common social or political goal. They are organised by large coa ...
is held here against conscription.
**
Zeebrugge Raid
The Zeebrugge Raid ( nl, Aanval op de haven van Zeebrugge;
) on 23 April 1918, was an attempt by the Royal Navy to block the Belgian port of Bruges-Zeebrugge. The British intended to sink obsolete ships in the canal entrance, to prevent Germ ...
: The British Royal Navy attempts to seal off the German
U-boat
U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. Although at times they were efficient fleet weapons against enemy naval warships, they were most effectively used in an economic warfare ro ...
base here.
**
First Ostend Raid
The First Ostend Raid (part of Operation ZO) was the first of two attacks by the Royal Navy on the German-held port of Ostend during the late spring of 1918 during the First World War. Ostend was attacked in conjunction with the neighbouring h ...
: The British Royal Navy unsuccessfully attempts to seal off the German U-boat base here.
*
April 28
Events Pre-1600
* 224 – The Battle of Hormozdgan is fought. Ardashir I defeats and kills Artabanus V effectively ending the Parthian Empire.
* 357 – Emperor Constantius II enters Rome for the first time to celebrate his victory ov ...
– WWI:
Gavrilo Princip
Gavrilo Princip ( sr-Cyrl, Гаврило Принцип, ; 25 July 189428 April 1918) was a Bosnian Serb student who assassinated Archduke Franz Ferdinand of Austria and his wife Sophie, Duchess of Hohenberg, in Sarajevo on 28 June 1914.
Princ ...
, assassin of
Archduke Franz Ferdinand of Austria
Archduke Franz Ferdinand Carl Ludwig Joseph Maria of Austria, (18 December 1863 – 28 June 1914) was the heir presumptive to the throne of Austria-Hungary. His assassination in Sarajevo was the most immediate cause of World War I.
...
, dies in
Terezin,
Austria-Hungary
Austria-Hungary, often referred to as the Austro-Hungarian Empire,, the Dual Monarchy, or Austria, was a constitutional monarchy and great power in Central Europe between 1867 and 1918. It was formed with the Austro-Hungarian Compromise of ...
, after three years in prison.
*
April 30
Events Pre-1600
* 311 – The Diocletianic Persecution of Christians in the Roman Empire ends.
* 1315 – Enguerrand de Marigny is hanged at the instigation of Charles, Count of Valois.
*1492 – Spain gives Christopher Columb ...
– WWI: The
Second Transjordan attack on Shunet Nimrin and Es Salt
The Second Transjordan attack on Shunet Nimrin and Es Salt, officially known by the British as the Second action of Es Salt Battles Nomenclature Committee 1922 p. 33 and by others as the Second Battle of the Jordan,Erickson 2001 p. 195 was fought ...
, launched by units of the Egyptian Expeditionary Force, ends on
4 May
Events Pre-1600
*1256 – The Augustinian monastic order is constituted at the Lecceto Monastery when Pope Alexander IV issues a papal bull ''Licet ecclesiae catholicae''.
*1415 – Religious reformers John Wycliffe and Jan Hus ar ...
, with their withdrawal back to the Jordan Valley.
May
*
May 1
Events Pre-1600
* 305 – Diocletian and Maximian retire from the office of Roman emperor.
* 880 – The Nea Ekklesia is inaugurated in Constantinople, setting the model for all later cross-in-square Orthodox churches.
*1169 &ndas ...
– WWI: German troops enter
Don Host Oblast
The Province (Oblast) of the Don Cossack Host (, ''Oblast’ Voyska Donskogo'') of Imperial Russia was the official name of the territory of Don Cossacks, coinciding approximately with the present-day Rostov Oblast of Russia. Its site of admini ...
; they capture
Rostov-on-Don
Rostov-on-Don ( rus, Ростов-на-Дону, r=Rostov-na-Donu, p=rɐˈstof nə dɐˈnu) is a port city and the administrative centre of Rostov Oblast and the Southern Federal District of Russia. It lies in the southeastern part of the East ...
on
May 8
Events Pre-1600
*453 BC – Spring and Autumn period: The house of Zhao defeats the house of Zhi, ending the Battle of Jinyang, a military conflict between the elite families of the State of Jin.
* 413 – Emperor Honorius signs a ...
.
*
May 2
Events Pre-1600
*1194 – King Richard I of England gives Portsmouth its first Royal Charter.
*1230 – William de Braose is hanged by Prince Llywelyn the Great.
* 1536 – Anne Boleyn, Queen of England, is arrested and imprisone ...
–
General Motors acquires the
Chevrolet Motor Company
Chevrolet ( ), colloquially referred to as Chevy and formally the Chevrolet Motor Division of General Motors Company, is an American automobile division of the American manufacturer General Motors (GM). Louis Chevrolet (1878–1941) and oust ...
of
Delaware
Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacen ...
.
*
May 7
Events Pre-1600
* 351 – The Jewish revolt against Constantius Gallus breaks out after his arrival at Antioch.
* 558 – In Constantinople, the dome of the Hagia Sophia collapses, twenty years after its construction. Justinian I imme ...
– WWI: The British capture
Kirkuk.
*
May 9
Events Pre-1600
* 328 – Athanasius is elected Patriarch of Alexandria.
* 1009 – Lombard Revolt: Lombard forces led by Melus revolt in Bari against the Byzantine Catepanate of Italy.
*1386 – England and Portugal formally ...
– WWI –
Second Ostend Raid: The British Royal Navy unsuccessfully attempts, for a second time, to seal off the German U-boat base here.
*
May 11
Events 1601–1900
*1812 – Prime Minister Spencer Perceval is assassinated by John Bellingham in the lobby of the British House of Commons.
*1813 – William Lawson, Gregory Blaxland and William Wentworth discover a route across th ...
– The
Mountainous Republic of the Northern Caucasus
The Mountainous Republic of the Northern Caucasus (MRNC; also known as the United Republics of the North Caucasus, Mountain Republic or the Republic of the Mountaineers) was a country in the North Caucasus formed by the unification of Circassians ...
is officially established.
*
May 14
Events Pre-1600
* 1027 – Robert II of France names his son Henry I as junior King of the Franks.
* 1097 – The Siege of Nicaea begins during the First Crusade.
*1264 – Battle of Lewes: Henry III of England is captured and fo ...
– The Three Minute Pause, initiated by the daily firing of the
Noon Gun
The Noon Gun has been a historic time signal in Cape Town, South Africa since 1806. It consists of a pair of black powder Dutch naval guns, fired alternatingly with one serving as a backup. The guns are situated on Signal Hill, close to the ...
on
Signal Hill, is instituted by
Cape Town
Cape Town ( af, Kaapstad; , xh, iKapa) is one of South Africa's three capital cities, serving as the seat of the Parliament of South Africa. It is the legislative capital of the country, the oldest city in the country, and the second larges ...
Mayor Sir
Harry Hands. It will inspire the introduction of the
two-minute silence in
November 1919.
*
May 15
Events Pre-1600
* 221 – Liu Bei, Chinese warlord, proclaims himself emperor of Shu Han, the successor of the Han dynasty.
* 392 – Emperor Valentinian II is assassinated while advancing into Gaul against the Frankish usurper Arb ...
** The
Finnish Civil War
The Finnish Civil War; . Other designations: Brethren War, Citizen War, Class War, Freedom War, Red Rebellion and Revolution, . According to 1,005 interviews done by the newspaper '' Aamulehti'', the most popular names were as follows: Civil ...
ends.
** The
United States Post Office Department
The United States Post Office Department (USPOD; also known as the Post Office or U.S. Mail) was the predecessor of the United States Postal Service, in the form of a Cabinet department, officially from 1872 to 1971. It was headed by the postma ...
begins the world's third regular
airmail
Airmail (or air mail) is a mail transport service branded and sold on the basis of at least one leg of its journey being by air. Airmail items typically arrive more quickly than surface mail, and usually cost more to send. Airmail may be th ...
service, between
New York City
New York, often called New York City or NYC, is the most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the most densely populated major city in the U ...
,
Philadelphia
Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Sinc ...
and
Washington, D.C.
*
May 16
Events Pre-1600
* 946 – Emperor Suzaku abdicates the throne in favor of his brother Murakami who becomes the 62nd emperor of Japan.
*1204 – Baldwin IX, Count of Flanders is crowned as the first Emperor of the Latin Empire.
*1364 ...
– The
Sedition Act of 1918
The Sedition Act of 1918 () was an Act of the United States Congress that extended the Espionage Act of 1917 to cover a broader range of offenses, notably speech and the expression of opinion that cast the government or the war effort in a neg ...
is approved by the U.S. Congress.
*
May 20
Events Pre-1600
* 325 – The First Council of Nicaea is formally opened, starting the first ecumenical council of the Christian Church.
* 491 – Empress Ariadne (empress), Ariadne marries Anastasius I Dicorus, Anastasius I. The widow ...
– The small town of
Codell, Kansas is hit for the third year in a row, on the same date, by a
tornado
A tornado is a violently rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud. It is often referred to as a twister, whirlwind or cyclone, alt ...
.
*
May 21
Events Pre-1600
* 293 – Roman Emperors Diocletian and Maximian appoint Galerius as ''Caesar'' to Diocletian, beginning the period of four rulers known as the Tetrarchy.
* 878 – Syracuse, Sicily, is captured by the Muslim Aghlabid ...
– The United States Army Aviation Section is separated from the
Signal Corps, and divided into the
Division of Military Aeronautics and the Bureau of
Aircraft
An aircraft is a vehicle that is able to fly by gaining support from the air. It counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines. ...
Production.
*
May 24
Events Pre-1600
* 919 – The nobles of Franconia and Saxony elect Henry the Fowler at the Imperial Diet in Fritzlar as king of the East Frankish Kingdom.
*1218 – The Fifth Crusade leaves Acre for Egypt.
* 1276 – Magnus La ...
– Women in Canada, excluding residents of
Quebec
Quebec ( ; )According to the Government of Canada, Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is ...
, are
granted the right to vote in federal elections.
*
May 26
Events Pre-1600
* 17 – Germanicus celebrates a triumph in Rome for his victories over the Cherusci, Chatti, and other German tribes west of the Elbe.
* 451 – Battle of Avarayr between Armenian rebels and the Sasanian Empire tak ...
– The
Transcaucasian Democratic Federative Republic
The Transcaucasian Democratic Federative Republic (TDFR; (), (). 22 April – 28 May 1918) was a short-lived state in the Caucasus that included most of the territory of the present-day Armenia, Azerbaijan and Georgia, as well as pa ...
is abolished; Georgia declares its independence as the
Democratic Republic of Georgia
The Democratic Republic of Georgia (DRG; ka, საქართველოს დემოკრატიული რესპუბლიკა ') was the first modern establishment of a republic of Georgia, which existed from May 1918 to ...
.
*
May 27
Events Pre-1600
*1096 – Count Emicho enters Mainz, where his followers massacre Jewish citizens. At least 600 Jews are killed.
*1120 – Richard III of Capua is anointed as Prince two weeks before his untimely death.
* 1153 &ndash ...
– WWI: The
Third Battle of the Aisne
The Third Battle of the Aisne (french: 3e Bataille de l'Aisne) was a battle of the German spring offensive during World War I that focused on capturing the Chemin des Dames Ridge before the American Expeditionary Forces arrived completely i ...
commences.
*
May 28
Events Pre-1600
*585 BC – A solar eclipse occurs, as predicted by the Greek philosopher and scientist Thales, while Alyattes is battling Cyaxares in the Battle of the Eclipse, leading to a truce. This is one of the cardinal dates from ...
–
Armenia
Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ...
and
Azerbaijan
Azerbaijan (, ; az, Azərbaycan ), officially the Republic of Azerbaijan, , also sometimes officially called the Azerbaijan Republic is a transcontinental country located at the boundary of Eastern Europe and Western Asia. It is a part of th ...
declare their independence as the
First Republic of Armenia
The First Republic of Armenia, officially known at the time of its existence as the Republic of Armenia ( hy, Հայաստանի Հանրապետութիւն), was the first modern Armenian state since the loss of Armenian statehood in the Middl ...
and the
Azerbaijan Democratic Republic
The Azerbaijan Democratic Republic), or simply as Azerbaijan in Paris Peace Conference, 1919–1920,''Bulletin d'Information de l'Azerbaidjan'', No. I, September 1, 1919, pp. 6–7''125 H.C.Debs.'', 58., February 24, 1920, p. 1467. Caucasian Az ...
respectively.
*
May 29
Events Pre-1600
* 363 – The Roman emperor Julian defeats the Sasanian army in the Battle of Ctesiphon, under the walls of the Sasanian capital, but is unable to take the city.
*1108 – Battle of Uclés: Almoravid troops under ...
– WWI: The week-long
Battle of Sardarabad
The Battle of Sardarabad ( hy, Սարդարապատի ճակատամարտ, translit=Sardarapati chakatamart; tr, Serdarabad Muharebesi) was a battle of the Caucasus campaign of World War I that took place near Sardarabad, Armenia, from 21 to ...
concludes with defending Armenian forces victorious over the Ottomans.
*
May 29
Events Pre-1600
* 363 – The Roman emperor Julian defeats the Sasanian army in the Battle of Ctesiphon, under the walls of the Sasanian capital, but is unable to take the city.
*1108 – Battle of Uclés: Almoravid troops under ...
–
30 – WWI:
Battle of Skra di Legen – The Greek
National Defence Army Corps defeats the Bulgarians.
June

*
June
June is the sixth month of the year in the Julian calendar, Julian and Gregorian calendars and is the second of four months to have a length of 30 days, and the third of five months to have a length of less than 31 days. June contains the summ ...
–
August
August is the eighth month of the year in the Julian and Gregorian calendars, and the fifth of seven months to have a length of 31 days. Its zodiac sign is Leo and was originally named '' Sextilis'' in Latin because it was the 6th month in t ...
– The "
Spanish flu
The 1918–1920 influenza pandemic, commonly known by the misnomer Spanish flu or as the Great Influenza epidemic, was an exceptionally deadly global influenza pandemic caused by the H1N1 influenza A virus. The earliest documented case wa ...
" becomes
pandemic
A pandemic () is an epidemic of an infectious disease that has spread across a large region, for instance multiple continents or worldwide, affecting a substantial number of individuals. A widespread endemic disease with a stable number of i ...
. Over 30 million people die in the following 6 months.
*
June 1
Events Pre-1600
*1215 – Zhongdu (now Beijing), then under the control of the Jurchen ruler Emperor Xuanzong of Jin, is captured by the Mongols under Genghis Khan, ending the Battle of Zhongdu.
*1252 – Alfonso X is proclaimed king o ...
– WWI: The
Battle of Belleau Wood
The Battle of Belleau Wood (1–26 June 1918) occurred during the German spring offensive in World War I, near the Marne River in France. The battle was fought between the U.S. 2nd (under the command of Major General Omar Bundy) and 3rd Divisi ...
begins.
*
June 4
Events Pre-1600
* 1411 – King Charles VI granted a monopoly for the ripening of Roquefort cheese to the people of Roquefort-sur-Soulzon as they had been doing for centuries.
*1561 – The steeple of St Paul's, the medieval cathe ...
– RMS ''Kenilworth Castle'', one of the
Union-Castle Line steamships, collides with her escort destroyer
HMS ''Rival'' while trying to avoid her other escort, the cruiser
HMS ''Kent''.
*
June 5
Events Pre-1600
* 1257 – Kraków, in Poland, receives city rights.
*1283 – Battle of the Gulf of Naples: Roger of Lauria, admiral to King Peter III of Aragon, destroys the Neapolitan fleet and captures Charles of Salerno.
*1288 ...
– The ''
Afrikaner Broederbond
The Afrikaner Broederbond (AB) or simply the Broederbond was an exclusively Afrikaner Calvinist and male secret society in South Africa dedicated to the advancement of the Afrikaner people. It was founded by H. J. Klopper, H. W. van der Merwe, ...
'', a confidential cultural organisation, is founded in
Johannesburg
Johannesburg ( , , ; Zulu language, Zulu and xh, eGoli ), colloquially known as Jozi, Joburg, or "The City of Gold", is the largest city in South Africa, classified as a Megacity#List of megacities, megacity, and is List of urban areas by p ...
.
*
June 8 –
V603 Aquilae
V603 Aquilae (or Nova Aquilae 1918) was a bright nova first observed (from Earth) in the constellation Aquila in 1918. It was the brightest "new star" to appear in the sky since Kepler's Supernova in 1604. Like all novae, it is a binary ...
, the brightest
nova
A nova (plural novae or novas) is a transient astronomical event that causes the sudden appearance of a bright, apparently "new" star (hence the name "nova", which is Latin for "new") that slowly fades over weeks or months. Causes of the dramati ...
observed since
Kepler's of
1604, is discovered.
*
June 10
Events Pre-1600
* 671 – Emperor Tenji of Japan introduces a water clock (clepsydra) called ''Rokoku''. The instrument, which measures time and indicates hours, is placed in the capital of Ōtsu.
*1190 – Third Crusade: Frederick I ...
– WWI: The
Austro-Hungarian
Austria-Hungary, often referred to as the Austro-Hungarian Empire,, the Dual Monarchy, or Austria, was a constitutional monarchy and great power in Central Europe between 1867 and 1918. It was formed with the Austro-Hungarian Compromise of ...
dreadnought
The dreadnought (alternatively spelled dreadnaught) was the predominant type of battleship in the early 20th century. The first of the kind, the Royal Navy's , had such an impact when launched in 1906 that similar battleships built after her ...
battleship SMS ''Szent István'' is sunk by two Italian
MAS motor
torpedo boat
A torpedo boat is a relatively small and fast naval ship designed to carry torpedoes into battle. The first designs were steam-powered craft dedicated to ramming enemy ships with explosive spar torpedoes. Later evolutions launched variants of s ...
s off the
Dalmatia
Dalmatia (; hr, Dalmacija ; it, Dalmazia; see names in other languages) is one of the four historical regions of Croatia, alongside Croatia proper, Slavonia, and Istria. Dalmatia is a narrow belt of the east shore of the Adriatic Sea, stre ...
n coast.
*
June 12
Events Pre-1600
* 910 – Battle of Augsburg: The Hungarians defeat the East Frankish army under King Louis the Child, using the famous feigned retreat tactic of the nomadic warriors.
*1240 – At the instigation of Louis IX of F ...
**
Grand Duke Michael of Russia is murdered, thereby becoming the first of the Romanovs to be killed by the Bolsheviks.
** WWI: The first airplane bombing raid by an American unit in France is carried out.
*
June 16
Events Pre-1600
* 363 – Emperor Julian marches back up the Tigris and burns his fleet of supply ships. During the withdrawal, Roman forces suffer several attacks from the Persians.
* 632 – Yazdegerd III ascends the throne as king ...
– The
Declaration to the Seven, a
British government response to a memorandum issued anonymously by seven
Syrian notables, is published.
*
June 22
Events Pre-1600
*217 BC – Battle of Raphia: Ptolemy IV Philopator of Egypt defeats Antiochus III the Great of the Seleucid kingdom.
* 168 BC – Battle of Pydna: Romans under Lucius Aemilius Paullus defeat Macedonian King Per ...
– Suspects in the
Chicago
(''City in a Garden''); I Will
, image_map =
, map_caption = Interactive Map of Chicago
, coordinates =
, coordinates_footnotes =
, subdivision_type = List of sovereign states, Count ...
Restaurant Poisonings are arrested, and more than 100 waiters are taken into custody for poisoning restaurant customers with a lethal powder called
Mickey Finn.
*
June 29
Events Pre-1600
* 226 – Cao Rui succeeds his father as emperor of the Kingdom of Wei.
*1149 – Raymond of Poitiers is defeated and killed at the Battle of Inab by Nur ad-Din Zangi.
*1194 – Sverre is crowned King of Norway, le ...
–
Bronx International Exposition of Science, Arts and Industries opens in New York; Brazil is the only international exhibitor and the exposition closes at the end of the season.
July
*
July 3
Events Pre-1600
* 324 – Battle of Adrianople: Constantine I defeats Licinius, who flees to Byzantium.
* 987 – Hugh Capet is crowned King of France, the first of the Capetian dynasty that would rule France until the French Revolu ...
–
Allied intervention in the Russian Civil War
Allied intervention in the Russian Civil War or Allied Powers intervention in the Russian Civil War consisted of a series of multi-national military expeditions which began in 1918. The Allies first had the goal of helping the Czechoslovak Le ...
: The
Siberian Intervention
The Siberian intervention or Siberian expedition of 1918–1922 was the dispatch of troops of the Entente powers to the Russian Maritime Provinces as part of a larger effort by the western powers, Japan, and China to support White Russian f ...
is launched by the
Allies, to extract the
Czechoslovak Legion
The Czechoslovak Legion (Czech language, Czech: ''Československé legie''; Slovak language, Slovak: ''Československé légie'') were volunteer armed forces composed predominantly of Czechs and Slovaks fighting on the side of the Allies of World ...
from the
Russian Civil War
{{Infobox military conflict
, conflict = Russian Civil War
, partof = the Russian Revolution and the aftermath of World War I
, image =
, caption = Clockwise from top left:
{{flatlist,
*Soldiers ...
.
*
July 4
Events Pre-1600
* 362 BC – Battle of Mantinea: The Thebans, led by Epaminondas, defeated the Spartans.
* 414 – Emperor Theodosius II, age 13, yields power to his older sister Aelia Pulcheria, who reigned as regent and proclaim ...
–
Mehmed VI succeeds as
Sultan of the Ottoman Empire
The sultans of the Ottoman Empire ( tr, Osmanlı padişahları), who were all members of the Ottoman dynasty (House of Osman), ruled over the transcontinental empire from its perceived inception in 1299 to its dissolution in 1922. At its he ...
on the death of his half-brother
Mehmed V
Mehmed V Reşâd ( ota, محمد خامس, Meḥmed-i ḫâmis; tr, V. Mehmed or ; 2 November 1844 – 3 July 1918) reigned as the 35th and penultimate Ottoman Sultan (). He was the son of Sultan Abdulmejid I. He succeeded his half-brother ...
(Reşâd, who has reigned since
1909
Events
January–February
* January 4 – Explorer Aeneas Mackintosh of the Imperial Trans-Antarctic Expedition escaped death by fleeing across ice floes.
* January 7 – Colombia recognizes the independence of Panama.
* J ...
), himself reigning until the Sultanate is abolished in
1922
Events
January
* January 7 – Dáil Éireann, the parliament of the Irish Republic, ratifies the Anglo-Irish Treaty by 64–57 votes.
* January 10 – Arthur Griffith is elected President of Dáil Éireann, the day after Éamon de Valera ...
.
*
July 12 – The
Imperial Japanese Navy
The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender ...
battleship ''
Kawachi'' blows up off
Tokuyama, Yamaguchi, western
Honshu
, historically called , is the largest and most populous island of Japan. It is located south of Hokkaidō across the Tsugaru Strait, north of Shikoku across the Inland Sea, and northeast of Kyūshū across the Kanmon Straits. The island ...
, Japan, killing at least 621.
*
July 13
Events Pre-1600
* 1174 – William I of Scotland, a key rebel in the Revolt of 1173–74, is captured at Alnwick by forces loyal to Henry II of England.
* 1249 – Coronation of Alexander III as King of Scots.
*1260 – The Livo ...
– The National Czechoslovak Committee is established.
*
July 14
Events Pre-1600
* 982 – King Otto II and his Frankish army are defeated by the Muslim army of al-Qasim at Cape Colonna, Southern Italy.
*1223 – Louis VIII becomes King of France upon the death of his father, Philip II.
*142 ...
– The film ''
The Glorious Adventure'' is released in the United States, featuring
Mammy Lou, who becomes one of the oldest people ever to star in a film, at a claimed age of 114.
*
July 15 – WWI:
Second Battle of the Marne
The Second Battle of the Marne (french: Seconde Bataille de la Marne) (15 July – 18 July 1918) was the last major German offensive on the Western Front during the First World War. The attack failed when an Allied counterattack, supported by s ...
: The battle begins near the
River Marne
The Marne () is a river in France, an eastern tributary of the Seine in the area east and southeast of Paris. It is long. The river gave its name to the departments of Haute-Marne, Marne, Seine-et-Marne, and Val-de-Marne.
The Marne star ...
, with a German attack.

*
July 17
Events Pre-1600
* 180 – Twelve inhabitants of Scillium (near Kasserine, modern-day Tunisia) in North Africa are executed for being Christians. This is the earliest record of Christianity in that part of the world.
*1048 – Damasu ...
** WWI: (famed for rescuing survivors of the ) is torpedoed and sunk off the east coast of Ireland, by
Imperial German Navy
The Imperial German Navy or the Imperial Navy () was the navy of the German Empire, which existed between 1871 and 1919. It grew out of the small Prussian Navy (from 1867 the North German Federal Navy), which was mainly for coast defence. Wilhel ...
submarine ''
U-55''; 218 of the 223 on board are rescued.
**
Execution of the Romanov family
The Russian Imperial Romanov family (Nicholas II of Russia, his wife Alexandra Feodorovna, and their five children: Olga, Tatiana, Maria, Anastasia, and Alexei) were shot and bayoneted to death by Bolshevik revolutionaries under Yakov ...
: By order of the
Bolshevik Party
The Communist Party of the Soviet Union (CPSU),; abbreviated in Russian as or also known by #Name, various other names during its history, was the founding and ruling party of the Soviet Union. The CPSU was the One-party state, sole governing ...
, and carried out by the
Cheka, former emperor
Nicholas II
Nicholas II or Nikolai II Alexandrovich Romanov; spelled in pre-revolutionary script. ( 186817 July 1918), known in the Russian Orthodox Church as Saint Nicholas the Passion-Bearer,. was the last Emperor of Russia, King of Congress Polan ...
, his wife
Alexandra Feodorovna, their children,
Olga,
Tatiana,
Maria,
Anastasia
Anastasia (from el, Ἀναστασία, translit=Anastasía) is a feminine given name of Greek origin, derived from the Greek word (), meaning "resurrection". It is a popular name in Eastern Europe, particularly in Russia, where it was the mos ...
,
Alexei
Alexey, Alexei, Alexie, Aleksei, or Aleksey (russian: Алексе́й ; bg, Алексей ) is a Russian and Bulgarian male first name deriving from the Greek ''Aléxios'' (), meaning "Defender", and thus of the same origin as the Latin ...
and retainers are shot at the
Ipatiev House
Ipatiev House (russian: Дом Ипатьева) was a merchant's house in Yekaterinburg (later renamed Sverdlovsk in 1924, renamed back to Yekaterinburg in 1991) where the former Emperor Nicholas II of Russia (1868–1918, reigned 1894–1917), h ...
, in
Ekaterinburg, Russia.
*
July 21
Events Pre-1600
*356 BC – The Temple of Artemis in Ephesus, one of the Seven Wonders of the World, is destroyed by arson.
* 230 – Pope Pontian succeeds Urban I as the eighteenth pope. After being exiled to Sardinia, he became the ...
– WWI:
Attack on Orleans – Imperial German submarine ''
SM U-156'' surfaces and fires on a small convoy of barges and defending flying boats off the
Cape Cod
Cape Cod is a peninsula extending into the Atlantic Ocean from the southeastern corner of mainland Massachusetts, in the northeastern United States. Its historic, maritime character and ample beaches attract heavy tourism during the summer mon ...
town of Orleans, Massachusetts.
August
*
August 2
Events Pre-1600
*338 BC – A Macedonian army led by Philip II defeated the combined forces of Athens and Thebes in the Battle of Chaeronea, securing Macedonian hegemony in Greece and the Aegean.
* 216 BC – The Carthaginian a ...
–
North Russia Intervention
The North Russia intervention, also known as the Northern Russian expedition, the Archangel campaign, and the Murman deployment, was part of the Allied intervention in the Russian Civil War after the October Revolution. The intervention brought ...
: British anti-Bolshevik forces occupy
Arkhangelsk
Arkhangelsk (, ; rus, Арха́нгельск, p=ɐrˈxanɡʲɪlʲsk), also known in English as Archangel and Archangelsk, is a city and the administrative center of Arkhangelsk Oblast, Russia. It lies on both banks of the Northern Dvina near i ...
.
*
August 3 – WWI: Australian hospital ship is torpedoed and sunk in the
English Channel
The English Channel, "The Sleeve"; nrf, la Maunche, "The Sleeve" ( Cotentinais) or (Jèrriais), ( Guernésiais), "The Channel"; br, Mor Breizh, "Sea of Brittany"; cy, Môr Udd, "Lord's Sea"; kw, Mor Bretannek, "British Sea"; nl, Het Kan ...
on passage from
Le Havre
Le Havre (, ; nrf, Lé Hâvre ) is a port city in the Seine-Maritime department in the Normandy region of northern France. It is situated on the right bank of the estuary of the river Seine on the Channel southwest of the Pays de Caux, ver ...
to
Southampton
Southampton () is a port City status in the United Kingdom, city in the ceremonial county of Hampshire in southern England. It is located approximately south-west of London and west of Portsmouth. The city forms part of the South Hampshire, S ...
by German submarine with the loss of 123 of the 801 people on board.
*
August 8
Events Pre-1600
* 685 BC – Spring and Autumn period: Battle of Qianshi: Upon the death of the previous Duke of Qi, Gongsun Wuzhi, Duke Zhuang of Lu sends an army into the Duchy of Qi to install the exiled Qi prince Gongzi Jiu as ...
– WWI:
Battle of Amiens – British, Canadian and Australian troops begin a string of almost continuous victories, the '
Hundred Days Offensive
The Hundred Days Offensive (8 August to 11 November 1918) was a series of massive Allied offensives that ended the First World War. Beginning with the Battle of Amiens (8–12 August) on the Western Front, the Allies pushed the Central Powers ...
', with an 8-mile push through the German front lines, taking 12,000 prisoners. German General
Erich Ludendorff
Erich Friedrich Wilhelm Ludendorff (9 April 1865 – 20 December 1937) was a German general, politician and military theorist. He achieved fame during World War I for his central role in the German victories at Liège and Tannenberg in 1914 ...
later calls this the "black day of the German Army".
*
August 10
Events Pre-1600
* 654 – Pope Eugene I elected to succeed Martinus I.
* 955 – Battle of Lechfeld: Otto I, Holy Roman Emperor defeats the Magyars, ending 50 years of Magyar invasion of the West.
* 991 – Battle of Maldon: T ...
–
Russian Revolution
The Russian Revolution was a period of political and social revolution that took place in the former Russian Empire which began during the First World War. This period saw Russia abolish its monarchy and adopt a socialist form of government ...
: The British commander in Archangel is told to help the
White Russians.
*
August 16
Events Pre-1600
* 1 BC – Wang Mang consolidates his power in China and is declared marshal of state. Emperor Ai of Han, who died the previous day, had no heirs.
* 942 – Start of the four-day Battle of al-Mada'in, between the Ha ...
– The
Battle of Lake Baikal is fought by the
Czechoslovak legion
The Czechoslovak Legion (Czech language, Czech: ''Československé legie''; Slovak language, Slovak: ''Československé légie'') were volunteer armed forces composed predominantly of Czechs and Slovaks fighting on the side of the Allies of World ...
, against the
Red Army
The Workers' and Peasants' Red Army (Russian language, Russian: Рабо́че-крестья́нская Кра́сная армия),) often shortened to the Red Army, was the army and air force of the Russian Soviet Federative Socialist R ...
.
*
August 21
Events Pre-1600
* 959 – Eraclus becomes the 25th bishop of Liège.
*1140 – Song dynasty general Yue Fei defeats an army led by Jin dynasty general Wuzhu at the Battle of Yancheng during the Jin–Song Wars.
*1169 – B ...
– WWI: The
Second Battle of the Somme
The Second Battle of the Somme of 1918 was fought during the First World War on the Western Front from late August to early September, in the basin of the River Somme. It was part of a series of successful counter-offensives in response to the ...
begins.
*
August 23 – The
Bessarabian Peasants' Party is created.
*
August 27 –
Battle of Ambos Nogales: U.S. Army forces skirmish against Mexican
Carrancistas and their German
advisors at
Nogales, Arizona
Nogales (English: or , ; ) is a city in Santa Cruz County, Arizona. The population was 20,837 at the 2010 census and estimated 20,103 in 2019. Nogales forms part of the larger Tucson–Nogales combined statistical area, with a total populati ...
, in the only battle of WWI fought on United States soil.
*
August 30
Events Pre-1600
* 70 – Titus ends the siege of Jerusalem after destroying Herod's Temple.
* 1282 – Peter III of Aragon lands at Trapani to intervene in the War of the Sicilian Vespers.
*1363 – The five-week Battle of Lak ...
** 20,000
London policemen strike for increased pay and union recognition.
** In response to the
October Revolution
The October Revolution,. officially known as the Great October Socialist Revolution. in the Soviet Union, also known as the Bolshevik Revolution, was a revolution in Russia led by the Bolshevik Party of Vladimir Lenin that was a key mome ...
in Russia,
Vladimir Lenin
Vladimir Ilyich Ulyanov. ( 1870 – 21 January 1924), better known as Vladimir Lenin,. was a Russian revolutionary, politician, and political theorist. He served as the first and founding head of government of Soviet Russia from 1917 to 1 ...
is shot and wounded by
Fanny Kaplan in Moscow, but survives.
**
Moisei Uritsky
Moisei Solomonovich Uritsky ( ua, Мойсей Соломонович Урицький; russian: Моисей Соломонович Урицкий; – 30 August 1918) was a Bolshevik revolutionary leader in Russia. After the October Revol ...
, the Petrograd head of the
Cheka, is assassinated.
September
*
September
September is the ninth month of the year in both the Julian and Gregorian calendars, the third of four months to have a length of 30 days, and the fourth of five months to have a length of fewer than 31 days. September in the Northern H ...
– WWI: British armies and their Arab allies roll into
Syria.
*
September 3
Events Pre-1600
* 36 BC – In the Battle of Naulochus, Marcus Vipsanius Agrippa, admiral of Octavian, defeats Sextus Pompey, son of Pompey, thus ending Pompeian resistance to the Second Triumvirate.
* 301
__NOTOC__
Year 301 (Ro ...
– The
Bolshevik
The Bolsheviks (russian: Большевики́, from большинство́ ''bol'shinstvó'', 'majority'),; derived from ''bol'shinstvó'' (большинство́), "majority", literally meaning "one of the majority". also known in English ...
government of Russia publishes the first official announcement of the
Red Terror
The Red Terror (russian: Красный террор, krasnyj terror) in Soviet Russia was a campaign of political repression and executions carried out by the Bolsheviks, chiefly through the Cheka, the Bolshevik secret police. It started i ...
, a period of repression against political opponents, as an "Appeal to the Working Class" in the newspaper ''
Izvestia
''Izvestia'' ( rus, Известия, p=ɪzˈvʲesʲtʲɪjə, "The News") is a daily broadsheet newspaper in Russia. Founded in 1917, it was a newspaper of record in the Soviet Union until the Soviet Union's dissolution in 1991, and describes ...
''.
*
September 4
Events Pre-1600
* 476 – Romulus Augustulus is deposed when Odoacer proclaims himself "King of Italy", thus ending the Western Roman Empire.
* 626 – Li Shimin, posthumously known as Emperor Taizong of Tang, assumes the throne ove ...
– WWI:
Battle of Mont Saint-Quentin
The Battle of Mont Saint-Quentin was a battle on the Western Front during World War I. As part of the Allied Hundred Days Offensive on the Western Front in the late summer of 1918, the Australian Corps crossed the Somme River on the night of 31 ...
concludes with the
Australian Corps
The Australian Corps was a World War I army corps that contained all five Australian infantry divisions serving on the Western Front. It was the largest corps fielded by the British Empire in France. At its peak the Australian Corps numbered ...
breaking the German line.
*
September 5
Events Pre-1600
* 917 – Liu Yan declares himself emperor, establishing the Southern Han state in southern China, at his capital of Panyu.
* 1367 – Swa Saw Ke becomes king of Ava
*1590 – Alexander Farnese's army forces Hen ...
–
Russian Civil War
{{Infobox military conflict
, conflict = Russian Civil War
, partof = the Russian Revolution and the aftermath of World War I
, image =
, caption = Clockwise from top left:
{{flatlist,
*Soldiers ...
: The
Kazan Operation begins. The event continues for 5 days, and solidifies the Red Army's power in Russia over the White Army.
*
September 12
Events Pre-1600
* 490 BC – Battle of Marathon: The conventionally accepted date for the Battle of Marathon. The Athenians and their Plataean allies defeat the first Persian invasion force of Greece.
* 372 – Sixteen Kingdoms: Ji ...
– WWI:
Battle of Havrincourt – British take a German salient.
*
September 12
Events Pre-1600
* 490 BC – Battle of Marathon: The conventionally accepted date for the Battle of Marathon. The Athenians and their Plataean allies defeat the first Persian invasion force of Greece.
* 372 – Sixteen Kingdoms: Ji ...
–
15 – WWI:
Battle of Saint-Mihiel
The Battle of Saint-Mihiel was a major World War I battle fought from 12–15 September 1918, involving the American Expeditionary Forces (AEF) and 110,000 French troops under the command of General John J. Pershing of the United States against ...
– Americans take a German salient.
*
September 14 – WWI: The Balkan front offensive by the Serbian Army begins.
*
September 15–
18 – WWI:
Battle of Dobro Pole
The Battle of Dobro Pole ( sr, Битка код Доброг Поља, Bitka kod Dobrog Polja; gr, Μάχη του Ντόμπρο Πόλε, Máchi tou Dóbro Póle), also known as the Breakthrough at Dobro Pole ( bg, Пробив при До� ...
in the
Vardar Offensive of the
Balkans Campaign: The
Allied Army of the Orient defeats
Bulgaria
Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Mac ...
n defenders.
*
September 18
Events Pre-1600
* 96 – Domitian, who has been conducting a reign of terror for the past three years, is assassinated as a result of a plot by his wife Domitia and two Praetorian prefects.
* 96 – Nerva is proclaimed Roman emperor ...
– WWI:
Battle of Épehy
The Battle of Épehy was a battle of the First World War fought on 18 September 1918, involving the British Fourth Army under the command of General Henry Rawlinson against German outpost positions in front of the Hindenburg Line. The village o ...
– British approach the
Hindenburg Line
The Hindenburg Line (German: , Siegfried Position) was a German defensive position built during the winter of 1916–1917 on the Western Front during the First World War. The line ran from Arras to Laffaux, near Soissons on the Aisne. In 191 ...
along the St Quentin Canal.
*
September 19 – WWI:
** The