The most notable event of the year was the

Arab Spring The Arab Spring ( ar, الربيع العربي) was a series of Nonviolent resistance, anti-government protests, Rebellion, uprisings and Insurgency, armed rebellions that spread across much of the Arab world in the early 2010s. It began in T ...

that involved the

killing of Muammar Gaddafi Muammar Gaddafi, the deposed leader of Libya, was captured and killed on 20 October 2011 after the Battle of Sirte. Gaddafi was found west of Sirte after his convoys were attacked by NATO aircraft. He was then captured by National Transition ...

Libya Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to Egypt–Libya bo ...

as part of a series of protests and government overthrows that swept through the

Middle East The Middle East ( ar, الشرق الأوسط, ISO 233: ) is a geopolitical region commonly encompassing Arabian Peninsula, Arabia (including the Arabian Peninsula and Bahrain), Anatolia, Asia Minor (Asian part of Turkey except Hatay Pro ...

. 2011 was designated as: *

International Year of Forests The year 2011 was declared the International Year of Forests by the United Nations to raise awareness and strengthen the sustainable management, conservation and sustainable development of all types of forests for the benefit of current and fut ...

International Year of Chemistry The International Year of Chemistry 2011 (IYC 2011) was a year-long commemorative event for the achievements of chemistry and its contributions to humankind.International Year for People of African Descent The United Nations General Assembly declared the year 2011 as International Year for People of African Descent (in UN resolution A/RES/64/169).

In 2011, the nation of

Samoa Samoa, officially the Independent State of Samoa; sm, Sāmoa, and until 1997 known as Western Samoa, is a Polynesian island country consisting of two main islands (Savai'i and Upolu); two smaller, inhabited islands (Manono Island, Manono an ...

only had 364 days as it moved across the International Date Line skipping

December 30 Events Pre-1600 *534 – The second and final edition of the Code of Justinian comes into effect in the Byzantine Empire. *999 – Battle of Glenmama: The combined forces of Munster and Meath under king Brian Boru inflict a crushi ...

, 2011; it is now 24 hours ahead of American Samoa.

Events

January

January 1 January 1 or 1 January is the first day of the year in the Gregorian Calendar. There are 364 days remaining until the end of the year (365 in leap years). This day is also known as New Year's Day since the day marks the beginning of the yea ...

Estonia Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the sea across from Sweden, to the south by Latvia, a ...

officially adopts the

Euro The euro ( symbol: €; code: EUR) is the official currency of 19 out of the member states of the European Union (EU). This group of states is known as the eurozone or, officially, the euro area, and includes about 340 million citizens . ...

currency and becomes the 17th

Eurozone The euro area, commonly called eurozone (EZ), is a currency union of 19 member states of the European Union (EU) that have adopted the euro (€) as their primary currency and sole legal tender, and have thus fully implemented EMU policies ...

country. ** A bomb explodes as

Coptic Christians Copts ( cop, ⲛⲓⲣⲉⲙⲛ̀ⲭⲏⲙⲓ ; ar, الْقِبْط ) are a Christian ethnoreligious group indigenous to North Africa who have primarily inhabited the area of modern Egypt and Sudan since antiquity. Most ethnic Copts are ...

in Alexandria, Egypt leave a new year service, killing 23 people. ** Flight 348 with 134 occupants, operated by Kolavia, catches fire while taxiing out for take-off. Three people are killed and 43 were injured, four critically, from smoke inhalation or burns. *

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 – Engli ...

–

Tunisia ) , image_map = Tunisia location (orthographic projection).svg , map_caption = Location of Tunisia in northern Africa , image_map2 = , capital = Tunis , largest_city = capital , ...

n street vendor

Mohamed Bouazizi Tarek el-Tayeb Mohamed Bouazizi ( ar, طارق الطيب محمد البوعزيزي, Ṭāriq aṭ-Ṭayib Muḥammad al-Būʿazīzī; 29 March 1984 – 4 January 2011) was a street vendor who set himself on fire on 17 December 2010 in Sidi Bo ...

dies after setting himself on fire a month earlier, sparking anti-government protests in Tunisia and later other

Arab nations The Arab world ( ar, اَلْعَالَمُ الْعَرَبِيُّ '), formally the Arab homeland ( '), also known as the Arab nation ( '), the Arabsphere, or the Arab states, refers to a vast group of countries, mainly located in Western As ...

. These protests become known collectively as the

. *

January 5 Events Pre-1600 *1477 – Battle of Nancy: Charles the Bold is defeated and killed in a conflict with René II, Duke of Lorraine; Duchy of Burgundy, Burgundy subsequently becomes part of France. 1601–1900 *1675 – Battle of Turckh ...

– Internet vigilante group

Anonymous Anonymous may refer to: * Anonymity, the state of an individual's identity, or personally identifiable information, being publicly unknown ** Anonymous work, a work of art or literature that has an unnamed or unknown creator or author * Anonym ...

launches

DoS attacks In computing, a denial-of-service attack (DoS attack) is a cyber-attack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connect ...

Syrian Syrians ( ar, سُورِيُّون, ''Sūriyyīn'') are an Eastern Mediterranean ethnic group indigenous to the Levant. They share common Levantine Semitic roots. The cultural and linguistic heritage of the Syrian people is a blend of both indi ...

, Tunisian, Bahraini,

Egyptian Egyptian describes something of, from, or related to Egypt. Egyptian or Egyptians may refer to: Nations and ethnic groups * Egyptians, a national group in North Africa ** Egyptian culture, a complex and stable culture with thousands of years of ...

Libyan Demographics of Libya is the demography of Libya, specifically covering population density, ethnicity, education level, health of the populace, economic status, and religious affiliations, as well as other aspects of the Libyan population. The ...

, and Jordanian government websites in response to the Arab Spring protests. *

January 9 Events Pre-1600 * 681 – Twelfth Council of Toledo: King Erwig of the Visigoths initiates a council in which he implements diverse measures against the Jews in Spain. *1127 – Jin–Song Wars: Invading Jurchen soldiers from the J ...

–

Iran Air Flight 277 Iran Air Flight 277 was a scheduled Iran Air flight from Mehrabad International Airport, Tehran to Urmia, Iran. On January 9, 2011, the Boeing 727 serving the flight crashed after an aborted approach to Urmia Airport in poor weather. Of the 105 ...

crashes near Orumiyeh in the northeast of the country, killing 78 people. *

January 14 Events Pre-1600 *1236 – King Henry III of England marries Eleanor of Provence. *1301 – Andrew III of Hungary dies, ending the Árpád dynasty in Hungary. 1601–1900 *1639 – The "Fundamental Orders of Connecticut, Fundamenta ...

– The

Tunisia ) , image_map = Tunisia location (orthographic projection).svg , map_caption = Location of Tunisia in northern Africa , image_map2 = , capital = Tunis , largest_city = capital , ...

n government falls after a month of increasingly violent protests;

President President most commonly refers to: *President (corporate title) *President (education), a leader of a college or university *President (government title) President may also refer to: Automobiles * Nissan President, a 1966–2010 Japanese ful ...

Zine El Abidine Ben Ali Zine El Abidine Ben Ali ( ar, زين العابدين بن علي, translit=Zayn al-'Ābidīn bin 'Alī; 3 September 1936 – 19 September 2019), commonly known as Ben Ali ( ar, بن علي) or Ezzine ( ar, الزين), was a Tunisian politician ...

flees to

Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in Western Asia. It covers the bulk of the Arabian Peninsula, and has a land area of about , making it the fifth-largest country in Asia, the second-largest in the A ...

after 23 years in power. *

January 15 Events Pre-1600 * 69 – Otho seizes power in Rome, proclaiming himself Emperor of Rome, beginning a reign of only three months. * 1541 – King Francis I of France gives Jean-François Roberval a commission to settle the province of ...

– The result of the

South Sudanese independence referendum, 2011 A referendum took place in Southern Sudan from 9 to 15 January 2011, on whether the region should remain a part of Sudan or become independent. The referendum was one of the consequences of the 2005 Naivasha Agreement between the Khartoum centr ...

is in favour of independence, paving the way for the creation of the new state in July. *

January 24 Events Pre-1600 * 41 – Claudius is proclaimed Roman emperor by the Praetorian Guard after they assassinate the previous emperor, his nephew Caligula. * 914 – Start of the First Fatimid invasion of Egypt. *1438 – The Cou ...

– 37 people are killed and more than 180 others wounded in a bombing at

Domodedovo International Airport Domodedovo may refer to: * Domodedovo International Airport, an airport in Russia *Domodedovo (town), a town in Moscow Oblast, Russia *Domodedovo District, an administrative raion of Moscow Oblast, Russia *Domodedovo Airlines, a defunct Russian airl ...

in Moscow, Russia. *

January 25 Events Pre-1600 * 41 – After a night of negotiation, Claudius is accepted as Roman emperor by the Senate. * 750 – In the Battle of the Zab, the Abbasid rebels defeat the Umayyad Caliphate, leading to the overthrow of the dynasty ...

– The

2011 Egyptian revolution The 2011 Egyptian revolution, also known as the 25 January revolution ( ar, ثورة ٢٥ يناير; ), began on 25 January 2011 and spread across Egypt. The date was set by various youth groups to coincide with the annual Egyptian "Police ho ...

begins. *

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 becom ...

– Within

Ursa Minor Ursa Minor (Latin: 'Lesser Bear', contrasting with Ursa Major), also known as the Little Bear, is a constellation located in the far northern sky. As with the Great Bear, the tail of the Little Bear may also be seen as the handle of a ladle, h ...

H1504+65 H15, H.15 or H-15 may refer to : * H-15 (Michigan county highway), a road in the United States * Highway H15 (Ukraine), a road in Ukraine * British NVC community H15, a type of heath community in the British National Vegetation Classification * , a ...

, a

white dwarf A white dwarf is a stellar core remnant composed mostly of electron-degenerate matter. A white dwarf is very dense: its mass is comparable to the Sun's, while its volume is comparable to the Earth's. A white dwarf's faint luminosity comes fro ...

with the hottest known surface temperature in the universe at 200,000 K, was documented.

February

February 11 Events Pre-1600 *660 BC – Traditional date for the foundation of Japan by Emperor Jimmu. * 55 – The death under mysterious circumstances of Tiberius Claudius Caesar Britannicus, heir to the Roman empire, on the eve of his coming ...

–

Egyptian President The president of Egypt is the executive head of state of Egypt and the de facto appointer of the official head of government under the Egyptian Constitution of 2014. Under the various iterations of the Constitution of Egypt following the Egyp ...

Hosni Mubarak Muhammad Hosni El Sayed Mubarak, (; 4 May 1928 – 25 February 2020) was an Egyptian politician and military officer who served as the fourth president of Egypt from 1981 to 2011. Before he entered politics, Mubarak was a career officer in t ...

resigns after widespread protests calling for his departure, leaving control of Egypt in the hands of the

military A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distinct ...

until a general election can be held. *

February 15 Events Pre-1600 * 438 – Roman emperor Theodosius II publishes the law codex Codex Theodosianus * 590 – Khosrau II is crowned king of Persia. * 706 – Byzantine emperor Justinian II has his predecessors Leontios and Tiberi ...

– The

First Libyan Civil War The First Libyan Civil War was an armed conflict in 2011 in the North African country of Libya that was fought between forces loyal to Colonel Muammar Gaddafi and rebel groups that were seeking to oust his government. It erupted with the Libya ...

starts. *

February 22 Events Pre-1600 * 1076 – Having received a letter during the Lenten synod of 14–20 February demanding that he abdicate, Pope Gregory VII excommunicates Henry IV, Holy Roman Emperor. * 1316 – The Battle of Picotin, between Ferdina ...

–

March 14 Events Pre-1600 * 1074 – Battle of Mogyoród: Dukes Géza and Ladislaus defeat their cousin Solomon, King of Hungary, forcing him to flee to Hungary's western borderland. * 1590 – Battle of Ivry: Henry of Navarre and the Huguen ...

– Uncertainty over Libyan oil output causes

crude oil Petroleum, also known as crude oil, or simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in geological formations. The name ''petroleum'' covers both naturally occurring unprocessed crude ...

prices to rise 20% over a two-week period following the Arab Spring, causing the 2011 energy crisis. *

– A 6.3 magnitude earthquake strikes

Christchurch Christchurch ( ; mi, Ōtautahi) is the largest city in the South Island of New Zealand and the seat of the Canterbury Region. Christchurch lies on the South Island's east coast, just north of Banks Peninsula on Pegasus Bay. The Avon River / ...

, in what became New Zealand's third-deadliest natural disaster. Over 180 people were killed, many within the

CTV Building The CTV Building was the headquarters of Canterbury Television (locally known as CTV) and other companies. Located on the corner of Cashel and Madras Streets in Christchurch Central City, New Zealand. It became one of the symbols of the Februar ...

, including many foreign citizens. Many foreign search and rescue workers responded to the event.

March

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 & ...

– Civil uprising phase of the Syrian Civil War is triggered when 15 youths in

Daraa Daraa ( ar, دَرْعَا, Darʿā, Levantine Arabic: , also Darʿā, Dara’a, Deraa, Dera'a, Dera, Derʿā and Edrei; means "''fortress''", compare Dura-Europos) is a city in southwestern Syria, located about north of the border with Jordan ...

are arrested for scrawling graffiti on their school wall denouncing the regime of President

Bashar al-Assad Bashar Hafez al-Assad, ', Levantine pronunciation: ; (, born 11 September 1965) is a Syrian politician who is the 19th president of Syria, since 17 July 2000. In addition, he is the commander-in-chief of the Syrian Armed Forces and the ...

. *

March 11 Events Pre-1600 * 222 – Roman emperor Elagabalus is murdered alongside his mother, Julia Soaemias. He is replaced by his 14-year old cousin, Severus Alexander. * 843 – Triumph of Orthodoxy: Empress Theodora II restores the venerati ...

– A 9.1-magnitude earthquake and subsequent tsunami hit the east of Japan, killing 15,840 and leaving another 3,926 missing. Tsunami warnings are issued in 50 countries and territories.

Emergencies An emergency is an urgent, unexpected, and usually dangerous situation that poses an immediate risk to health, life, property, or environment and requires immediate action. Most emergencies require urgent intervention to prevent a worsening ...

are declared at four nuclear power plants affected by the quake. As a result of the March 11 earthquake and tsunami, multiple plants at the

Fukushima Daiichi Nuclear Power Plant The is a disabled nuclear power plant located on a site in the towns of Ōkuma and Futaba in Fukushima Prefecture, Japan. The plant suffered major damage from the magnitude 9.0 earthquake and tsunami that hit Japan on March 11, 2011. The ...

were damaged, several workers injured, and

contaminants Contamination is the presence of a constituent, impurity, or some other undesirable element that spoils, corrupts, infects, makes unfit, or makes inferior a material, physical body, natural environment, workplace, etc. Types of contamination Wi ...

were released into the environment. *

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 – Odoa ...

Hamad bin Isa Al Khalifa Hamad bin Isa bin Salman Al Khalifa ( ar, حمد بن عيسى بن سلمان آل خليفة '; 28 January 1950) is King of Bahrain since 14 February 2002, after ruling as Emir of Bahrain from 6 March 1999. He is the son of Isa bin Salman ...

King of Bahrain The King of the Kingdom of Bahrain ( ar, ملك مملكة البحرين) is the monarch and head of state of Bahrain. The House of Khalifa has been the ruling family since 1783. Between 1783 and 1971, the Bahraini monarch held the title of ha ...

, declares a three-month

state of emergency A state of emergency is a situation in which a government is empowered to be able to put through policies that it would normally not be permitted to do, for the safety and protection of its citizens. A government can declare such a state du ...

as troops from the

Gulf Co-operation Council The Cooperation Council for the Arab States of the Gulf ( ar, مجلس التعاون لدول العربية الخليج ), also known as the Gulf Cooperation Council (GCC; ar, مجلس التعاون الخليجي), is a regional, interg ...

are sent to quell the

civil unrest Civil disorder, also known as civil disturbance, civil unrest, or social unrest is a situation arising from a mass act of civil disobedience (such as a demonstration, riot, strike, or unlawful assembly) in which law enforcement has difficulty m ...

. ** Protests breakout across Syria demanding democratic reforms, resignation of President

, and release of those imprisoned for the March 6 Daraa protest. The government responds by killing hundreds of protesters and laying siege to various cities, beginning the Syrian Civil War. *

March 17 Events Pre-1600 * 45 BC – In his last victory, Julius Caesar defeats the Pompeian forces of Titus Labienus and Pompey the Younger in the Battle of Munda. * 180 – Commodus becomes sole emperor of the Roman Empire at the age of eigh ...

– The

United Nations Security Council The United Nations Security Council (UNSC) is one of the Organs of the United Nations, six principal organs of the United Nations (UN) and is charged with ensuring international security, international peace and security, recommending the admi ...

votes 10–0 to create a

no-fly zone A no-fly zone, also known as a no-flight zone (NFZ), or air exclusion zone (AEZ), is a territory or area established by a military power over which certain aircraft are not permitted to fly. Such zones are usually set up in an enemy power's te ...

over Libya in response to allegations of government aggression against civilians. *

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 ends ...

– In light of continuing attacks on Libyan rebels by forces in support of leader

Muammar Gaddafi Muammar Muhammad Abu Minyar al-Gaddafi, . Due to the lack of standardization of transcribing written and regionally pronounced Arabic, Gaddafi's name has been romanized in various ways. A 1986 column by ''The Straight Dope'' lists 32 spellin ...

, military intervention authorized under UNSCR 1973 begins as French fighter jets make reconnaissance flights over Libya.

April

April 2 Events Pre-1600 *1513 – Having spotted land on March 27, Spanish explorer Juan Ponce de León comes ashore on what is now the U.S. state of Florida, landing somewhere between the modern city of St. Augustine and the mouth of the St. Jo ...

–

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

wins the

2011 Cricket World Cup The 2011 ICC Cricket World Cup was the tenth Cricket World Cup. It was played in India, Sri Lanka, and for the first time in Bangladesh. India won the tournament, defeating Sri Lanka by 6 wickets in the final at Wankhede Stadium in Mumbai, thus ...

. *

April 7 Events Pre-1600 * 451 – Attila the Hun captures Metz in France, killing most of its inhabitants and burning the town. * 529 – First ''Corpus Juris Civilis'', a fundamental work in jurisprudence, is issued by Eastern Roman Empe ...

– The

Israel Defense Forces The Israel Defense Forces (IDF; he, צְבָא הַהֲגָנָה לְיִשְׂרָאֵל , ), alternatively referred to by the Hebrew-language acronym (), is the national military of the Israel, State of Israel. It consists of three servic ...

use their

Iron Dome Iron Dome ( he, כִּפַּת בַּרְזֶל, Kippat Barzel) is a mobile all-weather air defense system developed by Rafael Advanced Defense Systems and Israel Aerospace Industries. The system is designed to intercept and destroy short- ...

missile system to successfully intercept a

BM-21 Grad The BM-21 "Grad" (russian: БМ-21 "Град", lit= hail) is a self-propelled 122 mm multiple rocket launcher designed in the Soviet Union. The system and the M-21OF rocket were first developed in the early 1960s, and saw their first comba ...

launched from Gaza, marking the first short-range missile intercept ever. *

April 11 Events Pre-1600 * 491 – Flavius Anastasius becomes Byzantine emperor, with the name of Anastasius I. * 1241 – Batu Khan defeats Béla IV of Hungary at the Battle of Mohi. * 1512 – War of the League of Cambrai: Franco-Ferra ...

– Former Ivorian President

Laurent Gbagbo Koudou Laurent Gbagbo
, FPI website . ( Abidjan Abidjan ( , ; N'Ko script, N’ko: ߊߓߌߖߊ߲߬) is the economic capital of the Ivory Coast. As of the Demographics of Ivory Coast, 2021 census, Abidjan's population was 6.3 million, which is 21.5 percent of overall population of the country, ...

by supporters of elected President

Alassane Ouattara Alassane Dramane Ouattara (; ; born 1 January 1942) is an Ivorian politician who has been President of Ivory Coast (Côte d'Ivoire) since 2010. An economist by profession, Ouattara worked for the International Monetary Fund (IMF)2010–11 Ivorian crisis 1 (one, unit, unity) is a number representing a single or the only entity. 1 is also a numerical digit and represents a single unit of counting or measurement. For example, a line segment of ''unit length'' is a line segment of length 1. I ...

and

civil war A civil war or intrastate war is a war between organized groups within the same state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government policies ...

. *

April 15 Events Pre-1600 * 769 – The Lateran Council ends by condemning the Council of Hieria and anathematizing its iconoclastic rulings. * 1071 – Bari, the last Byzantine possession in southern Italy, is surrendered to Robert Guiscar ...

– The

Mexican Mexican may refer to: Mexico and its culture *Being related to, from, or connected to the country of Mexico, in North America ** People *** Mexicans, inhabitants of the country Mexico and their descendants *** Mexica, ancient indigenous people ...

town of Cherán is taken over by vigilantes in response to abuses from the local drug cartel. The new government is strongly focused on crime reduction and preserving the local environment. *

April 17 Events Pre-1600 *1080 – Harald III of Denmark dies and is succeeded by Canute IV, who would later be the first Dane to be canonized. *1349 – The rule of the Bavand dynasty in Mazandaran is brought to an end by the murder of Hasan ...

– The 2011 PlayStation Network outage begins, becoming one of the largest data breaches ever recorded, and exposed personal data from 77 million accounts on the platform. The outage lasted 23 days. *

April 24 Events Pre-1600 * 1479 BC – Thutmose III ascends to the throne of Egypt, although power effectively shifts to Hatshepsut (according to the Low Chronology of the 18th dynasty). * 1183 BC – Traditional reckoning of the Fall of Troy m ...

– The 2011 Guantanamo Bay files leak occurs,

WikiLeaks WikiLeaks () is an international Nonprofit organization, non-profit organisation that published news leaks and classified media provided by anonymous Source (journalism), sources. Julian Assange, an Australian Internet activism, Internet acti ...

and other organisations publishing 779 classified documents about Guantanamo Bay detainees, and it had been exposed 150 innocent citizens from

Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordere ...

and

Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...

were held in the camp without trial and detainees being as young as 14 years old. *

April 25 Events Pre-1600 * 404 BC – Admiral Lysander and King Pausanias of Sparta blockade Athens and bring the Peloponnesian War to a successful conclusion. * 775 – The Battle of Bagrevand puts an end to an Armenian rebellion against the ...

– 28 – The

2011 Super Outbreak The 2011 Super Outbreak was the largest, costliest, and one of the deadliest tornado outbreaks ever recorded, taking place in the Southern, Midwestern, and Northeastern United States from April 25–28, 2011, leaving catastrophic destruction ...

forms in the

Southern Southern may refer to: Businesses * China Southern Airlines, airline based in Guangzhou, China * Southern Airways, defunct US airline * Southern Air, air cargo transportation company based in Norwalk, Connecticut, US * Southern Airways Express, M ...

Midwest The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four Census Bureau Region, census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of ...

and

Eastern United States The Eastern United States, commonly referred to as the American East, Eastern America, or simply the East, is the region of the United States to the east of the Mississippi River. In some cases the term may refer to a smaller area or the East C ...

with 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, altho ...

count of 362; killing 324 and injuring over 2,200. *

April 29 Events Pre-1600 *1091 – Battle of Levounion: The Pechenegs are defeated by Byzantine Emperor Alexios I Komnenos. * 1386 – Battle of the Vikhra River: The Principality of Smolensk is defeated by the Grand Duchy of Lithuania and beco ...

– An estimated two billion people watch the

royal wedding ''Royal Wedding'' is a 1951 American musical comedy film directed by Stanley Donen, and starring Fred Astaire and Jane Powell, with music by Burton Lane and lyrics by Alan Jay Lerner. Set in 1947 London at the time of the wedding of Princess Eli ...

Prince William, Duke of Cambridge William, Prince of Wales, (William Arthur Philip Louis; born 21 June 1982) is the heir apparent to the British throne. He is the elder son of King Charles III and his first wife Diana, Princess of Wales. Born in London, William was educat ...

and

Catherine Middleton Catherine, Princess of Wales, (born Catherine Elizabeth Middleton; 9 January 1982) is a member of the British royal family. She is married to William, Prince of Wales, heir apparent to the British throne, making Catherine the likely next ...

Westminster Abbey Westminster Abbey, formally titled the Collegiate Church of Saint Peter at Westminster, is an historic, mainly Gothic church in the City of Westminster, London, England, just to the west of the Palace of Westminster. It is one of the United ...

in London.

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 ...

– U.S. President

Barack Obama Barack Hussein Obama II ( ; born August 4, 1961) is an American politician who served as the 44th president of the United States from 2009 to 2017. A member of the Democratic Party, Obama was the first African-American president of the U ...

announces that

Osama bin Laden Osama bin Mohammed bin Awad bin Laden (10 March 1957 – 2 May 2011) was a Saudi-born extremist militant who founded al-Qaeda and served as its leader from 1988 until Killing of Osama bin Laden, his death in 2011. Ideologically a Pan-Islamism ...

, the founder and leader of the militant group

Al-Qaeda Al-Qaeda (; , ) is an Islamic extremism, Islamic extremist organization composed of Salafist jihadists. Its members are mostly composed of Arab, Arabs, but also include other peoples. Al-Qaeda has mounted attacks on civilian and military ta ...

, was killed on May 2, 2011 ( PKT,

UTC+05 UTC+05:00 is an identifier for a time offset from UTC of +05:00. This time is used in: As standard time (Northern Hemisphere winter) ''Principal cities: Islamabad, Karachi'' South Asia *Pakistan - Time in Pakistan As standard time (year-rou ...

) during an American military operation in

. *

May 5 Events Pre-1600 * 553 – The Second Council of Constantinople begins. *1215 – Rebel barons renounce their allegiance to King John of England — part of a chain of events leading to the signing of the Magna Carta. * 1260 – Ku ...

–

Supremo Tribunal Federal The Supreme Federal Court ( pt, Supremo Tribunal Federal, , abbreviated STF) is the supreme court (court of last resort) of Brazil, serving primarily as the Constitutional Court of the country. It is the highest court of law in Brazil for consti ...

approves wedding between people of the same gender in

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

. *

May 10 Events Pre-1600 * 28 BC – A sunspot is observed by Han dynasty astronomers during the reign of Emperor Cheng of Han, one of the earliest dated sunspot observations in China. *1291 – Scottish nobles recognize the authority of Edw ...

– 14 – The

Eurovision Song Contest 2011 The Eurovision Song Contest 2011 was the 56th edition of the Eurovision Song Contest. It took place in Düsseldorf, Germany, following the country's victory at the with the song "Satellite" by Lena. Organised by the European Broadcasting Union ...

takes place in

Düsseldorf Düsseldorf ( , , ; often in English sources; Low Franconian and Ripuarian: ''Düsseldörp'' ; archaic nl, Dusseldorp ) is the capital city of North Rhine-Westphalia, the most populous state of Germany. It is the second-largest city in th ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

, and is won by

Azeri Azerbaijanis (; az, Azərbaycanlılar, ), Azeris ( az, Azərilər, ), or Azerbaijani Turks ( az, Azərbaycan Türkləri, ) are a Turkic peoples, Turkic people living mainly in Azerbaijan (Iran), northwestern Iran and the Azerbaijan, Republi ...

entrants

Ell & Nikki Ell & Nikki, also known as Eldar & Nigar (), are an Azerbaijani pop duo consisting of singers Eldar Gasimov and Nigar Jamal. On 14 May 2011 they won the Eurovision Song Contest 2011 for Azerbaijan with their entry " Running Scared". It was the co ...

with the song " Running Scared". *

May 11 Events 1601–1900 *1812 – Prime Minister Spencer Perceval is Assassination of Spencer Perceval, assassinated by John Bellingham in the lobby of the British House of Commons. *1813 – William Lawson (explorer), William Lawson, Grego ...

– A 5.1 earthquake strikes southern

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

killing 9 and injuring over 400. *

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 European Union agrees to a €78 billion rescue deal for Portugal. The bailout loan will be equally split between the

European Financial Stabilisation Mechanism The European Financial Stabilisation Mechanism (EFSM) is an emergency funding programme reliant upon funds raised on the financial markets and guaranteed by the European Commission using the budget of the European Union as collateral. It runs un ...

, the

European Financial Stability Facility The European Financial Stability Facility (EFSF) is a special purpose vehicle financed by members of the eurozone to address the European sovereign-debt crisis. It was agreed by the Council of the European Union on 9 May 2010, with the objecti ...

, and the

International Monetary Fund The International Monetary Fund (IMF) is a major financial agency of the United Nations, and an international financial institution, headquartered in Washington, D.C., consisting of 190 countries. Its stated mission is "working to foster globa ...

. *

May 21 Events Pre-1600 * 293 – Roman Emperors Diocletian and Maximian appoint Galerius as ''Caesar (title), Caesar'' to Diocletian, beginning the period of four rulers known as the Tetrarchy. * 878 – Syracuse, Sicily, is Siege of Syracuse ...

–

Grímsvötn Grímsvötn (; ''vötn'' = "waters", singular: ) is a volcano with a (partially subglacial) fissure system located in Vatnajökull National Park, Iceland. The volcano itself is completely subglacial and located under the northwestern side of the Va ...

, Iceland's most active volcano, erupts and causes disruption to air travel in Northwestern Europe. *

May 22 Events Pre-1600 * 192 – Dong Zhuo is assassinated by his adopted son Lü Bu. * 760 – Fourteenth recorded perihelion passage of Halley's Comet. * 853 – A Byzantine fleet sacks and destroys undefended Damietta in Egypt. * 11 ...

– The

2011 Joplin tornado A devastating EF5-rated multiple-vortex tornado struck Joplin, Missouri on the evening of Sunday, May 22, 2011. Part of a larger late-May tornado outbreak, the tornado touched down just west of Joplin and intensified very quickly, reaching a ...

, an EF5

, strikes

Joplin, Missouri Joplin is a city in Jasper County, Missouri, Jasper and Newton County, Missouri, Newton counties in the southwestern corner of the U.S. state of Missouri. The bulk of the city is in Jasper County, while the southern portion is in Newton County. J ...

, killing 158 and injuring 1,150. *

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 take ...

– Former

Bosnia Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and He ...

Serb The Serbs ( sr-Cyr, Срби, Srbi, ) are the most numerous South Slavic ethnic group native to the Balkans in Southeastern Europe, who share a common Serbian ancestry, culture, history and language. The majority of Serbs live in their na ...

Army commander

Ratko Mladić Ratko Mladić ( sr-Cyrl, Ратко Младић, ; born 12 March 1942) is a Bosnian Serb convicted war criminal and colonel-general who led the Army of Republika Srpska (VRS) during the Yugoslav Wars. In 2017, he was found guilty of committing ...

, wanted for genocide, war crimes and crimes against humanity, is arrested in

Serbia Serbia (, ; Serbian language, Serbian: , , ), officially the Republic of Serbia (Serbian language, Serbian: , , ), is a landlocked country in Southeast Europe, Southeastern and Central Europe, situated at the crossroads of the Pannonian Bas ...

June

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 cathedr ...

– Chile's

Puyehue volcano Puyehue ( Mapudungun: ''Puye'' (small fish), ''hue'' (place)) may refer to: *Puyehue Lake * Puyehue Volcano *Puyehue National Park *Cardenal Antonio Samoré Pass formerly known as ''Puyehue Pass'' *Puyehue, Chile a commune in Osorno Province *Puyeh ...

erupts, causing air traffic cancellations across South America, New Zealand and Australia, and forcing over 3,000 people to evacuate. *

June 26 Events Pre-1600 * 4 – Augustus adopts Tiberius. * 221 – Roman emperor Elagabalus adopts his cousin Alexander Severus as his heir and receives the title of Caesar. * 363 – Roman emperor Julian is killed during the retreat f ...

–

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 – Damas ...

– The

2011 FIFA Women's World Cup The 2011 FIFA Women's World Cup was the sixth FIFA Women's World Cup competition, the world championship for women's national association football teams. It was held from 26 June to 17 July 2011 in Germany, which won the right to host the even ...

takes place in

and is won by

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. *

June 28 Events Pre-1600 * 1098 – Fighters of the First Crusade defeat Kerbogha of Mosul at the battle of Antioch. * 1360 – Muhammed VI becomes the tenth Nasrid king of Granada after killing his brother-in-law Ismail II. * 1461 – ...

– The

Food and Agriculture Organization The Food and Agriculture Organization of the United Nations (FAO)french: link=no, Organisation des Nations unies pour l'alimentation et l'agriculture; it, Organizzazione delle Nazioni Unite per l'Alimentazione e l'Agricoltura is an intern ...

announces the eradication of the cattle plague

rinderpest Rinderpest (also cattle plague or steppe murrain) was an infectious viral disease of cattle, domestic buffalo, and many other species of even-toed ungulates, including gaurs, buffaloes, large antelope, deer, giraffes, wildebeests, and warthogs ...

from the world.

July

July 6 Events Pre-1600 * 371 BC – The Battle of Leuctra shatters Sparta's reputation of military invincibility. * 640 – Battle of Heliopolis: The Muslim Arab army under 'Amr ibn al-'As defeat the Byzantine forces near Heliopolis (Egypt) ...

– The

International Olympic Committee The International Olympic Committee (IOC; french: link=no, Comité international olympique, ''CIO'') is a non-governmental sports organisation based in Lausanne, Switzerland. It is constituted in the form of an association under the Swiss ...

awards

PyeongChang Pyeongchang (; in full, ''Pyeongchang-gun'' ; ) is a county in the province of Gangwon-do, South Korea, located in the Taebaek Mountains region. It is home to several Buddhist temples, including Woljeongsa. It is about east southeast of Seou ...

the right to host the

2018 Winter Olympics , nations = 93 , athletes = 2,922 (1,680 men and 1,242 women) , events = 102 in 7 sports (15 disciplines) , opening = , closing = , opened_by = President Moon Jae-in , cauldron = Kim Yun-a , stadium = Pyeongchang Olympic Stadium , winte ...

. *

July 9 Events Pre-1600 *118 – Hadrian, who became emperor a year previously on Trajan's death, makes his entry into Rome. * 381 – The end of the First Council of Christian bishops convened in Constantinople by the Roman Emperor Theodos ...

–

South Sudan South Sudan (; din, Paguot Thudän), officially the Republic of South Sudan ( din, Paankɔc Cuëny Thudän), is a landlocked country in East Africa. It is bordered by Ethiopia, Sudan, Central African Republic, Democratic Republic of the C ...

secedes from

Sudan Sudan ( or ; ar, السودان, as-Sūdān, officially the Republic of the Sudan ( ar, جمهورية السودان, link=no, Jumhūriyyat as-Sūdān), is a country in Northeast Africa. It shares borders with the Central African Republic t ...

, per the result of the

independence referendum An independence referendum is a type of referendum in which the residents of a territory decide whether the territory should become an Independence, independent sovereign state. An independence referendum that results in a vote for independence ...

held in January. *

July 12 Events Pre-1600 * 70 – The armies of Titus attack the walls of Jerusalem after a six-month siege. Three days later they breach the walls, which enables the army to destroy the Second Temple. * 927 – King Constantine II of ...

– The planet

Neptune Neptune is the eighth planet from the Sun and the farthest known planet in the Solar System. It is the fourth-largest planet in the Solar System by diameter, the third-most-massive planet, and the densest giant planet. It is 17 times ...

completes its first orbit since it was discovered in 1846. *

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. * 1420 ...

–

joins the

United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and international security, security, develop friendly relations among nations, achieve international cooperation, and be ...

as the 193rd member. *

July July is the seventh month of the year in the Julian and Gregorian calendars and is the fourth of seven months to have a length of 31 days. It was named by the Roman Senate in honour of Roman general Julius Caesar in 44 B.C., it being the mont ...

14–23 two frontal systems enter south-central Chile causing great snowfalls that leaves thousand of people isolated. *

July 20 Events Pre-1600 * 70 – Siege of Jerusalem: Titus, son of emperor Vespasian, storms the Fortress of Antonia north of the Temple Mount. The Roman army is drawn into street fights with the Zealots. * 792 – Kardam of Bulgaria defea ...

Goran Hadžić Goran Hadžić ( sr-cyrl, Горан Хаџић, ; 7 September 1958 – 12 July 2016) was a war criminal and a nationalist politician of the self-proclaimed Republic of Serbian Krajina, in office during the Croatian War of Independence. He was a ...

is detained in Serbia, becoming the last of 161 people indicted by the

International Criminal Tribunal for the former Yugoslavia The International Criminal Tribunal for the former Yugoslavia (ICTY) was a body of the United Nations that was established to prosecute the war crimes that had been committed during the Yugoslav Wars and to try their perpetrators. The tribunal ...

. ** The

declares a

famine A famine is a widespread scarcity of food, caused by several factors including war, natural disasters, crop failure, Demographic trap, population imbalance, widespread poverty, an Financial crisis, economic catastrophe or government policies. Th ...

in southern

Somalia Somalia, , Osmanya script: 𐒈𐒝𐒑𐒛𐒐𐒘𐒕𐒖; ar, الصومال, aṣ-Ṣūmāl officially the Federal Republic of SomaliaThe ''Federal Republic of Somalia'' is the country's name per Article 1 of thProvisional Constituti ...

, the first in over 30 years. **

Mauno Koivisto Mauno Henrik Koivisto (; 25 November 1923 – 12 May 2017) was a Finnish politician who served as the ninth president of Finland from 1982 to 1994. He also served as the country's prime minister twice, from 1968 to 1970 and again from 1979 to 19 ...

becomes the oldest living

President of Finland The president of the Republic of Finland ( fi, Suomen tasavallan presidentti; sv, Republiken Finlands president) is the head of state of Finland. Under the Constitution of Finland, executive power is vested in the Finnish Government and the p ...

in the history of the nation, surpassing

Kaarlo Juho Ståhlberg Kaarlo Juho Ståhlberg (, ; 28 January 1865 – 22 September 1952) was a Finnish jurist and academic, which was one of the most important pioneers of republicanism in the country. He was the first president of Finland (1919–1925) and a libera ...

. *

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 ...

– Space Shuttle ''Atlantis'' lands successfully at

Kennedy Space Center The John F. Kennedy Space Center (KSC, originally known as the NASA Launch Operations Center), located on Merritt Island, Florida, is one of the National Aeronautics and Space Administration's (NASA) ten field centers. Since December 1968 ...

after completing

STS-135 STS-135 ( ISS assembly flight ULF7) was the 135th and final mission of the American Space Shuttle program. It used the orbiter ''Atlantis'' and hardware originally processed for the STS-335 contingency mission, which was not flown. STS-135 la ...

, concluding NASA's

Space Shuttle The Space Shuttle is a retired, partially reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. Its official program na ...

program. *

July 22 Events Pre-1600 * 838 – Battle of Anzen: The Byzantine emperor Theophilos suffers a heavy defeat by the Abbasids. *1099 – First Crusade: Godfrey of Bouillon is elected the first Defender of the Holy Sepulchre of The Kingdom of J ...

– In

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...

Anders Behring Breivik Fjotolf Hansen (born 13 February 1979), better known by his birth name Anders Behring Breivik () and by his pseudonym Andrew Berwick, is a Norwegian far-right domestic terrorist, known for committing the 2011 Norway attacks on 22 July 2011. On ...

kills 8 people in a bomb blast which targeted government buildings in central Oslo, then kills 69 at a massacre at a Workers' Youth League camp on the island of

Utøya Utøya () is an island in the Tyrifjorden lake in Hole municipality, in the county of Viken, Norway. The island is , situated off the shore, by the E16 road, about driving distance south of Hønefoss, and northwest of Oslo city centre. Over ...

. *

July 31 Events Pre-1600 *30 BC – Battle of Alexandria: Mark Antony achieves a minor victory over Octavian's forces, but most of his army subsequently deserts, leading to his suicide. * 781 – The oldest recorded eruption of Mount Fuji (Tr ...

– In

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

over 12.8 million people are affected by severe flooding. The

World Bank The World Bank is an international financial institution that provides loans and grants to the governments of low- and middle-income countries for the purpose of pursuing capital projects. The World Bank is the collective name for the Interna ...

estimates damages at 1,440 billion

baht The baht (; th, บาท, ; currency sign, sign: ฿; ISO 4217, code: THB) is the official currency of Thailand. It is divided into 100 ''satang'' (, ). The issuance of currency is the responsibility of the Bank of Thailand. Society for Worldw ...

(US$45 billion). Some areas are still six feet under water, and many factory areas remain closed at the end of the year. 815 people are killed, with 58 of the country's 77 provinces affected.

August

* August –

Stock exchange A stock exchange, securities exchange, or bourse is an exchange where stockbrokers and traders can buy and sell securities, such as shares of stock, bonds and other financial instruments. Stock exchanges may also provide facilities for th ...

s worldwide suffer heavy losses due to the fears of contagion of the

European sovereign debt crisis The European debt crisis, often also referred to as the eurozone crisis or the European sovereign debt crisis, is a multi-year debt crisis that took place in the European Union (EU) from 2009 until the mid to late 2010s. Several eurozone membe ...

and the credit rating downgraded as a result of the debt-ceiling crisis of the United States. *

August 5 Events Pre-1600 *AD 25 – Guangwu claims the throne as Emperor of China, restoring the Han dynasty after the collapse of the short-lived Xin dynasty. * 70 – Fires resulting from the destruction of the Second Temple in Jerusalem are ...

** NASA announces that its

Mars Reconnaissance Orbiter ''Mars Reconnaissance Orbiter'' (MRO) is a spacecraft designed to study the geology and climate of Mars, provide reconnaissance of future landing sites, and relay data from surface missions back to Earth. It was launched on August 12, 2005, an ...

has captured photographic evidence of possible liquid

water on Mars Almost all water on Mars today exists as ice, though it also exists in small quantities as vapor in the atmosphere. What was thought to be low-volume liquid brines in shallow Martian soil, also called recurrent slope lineae, may be grains of f ...

during warm seasons. **

Juno Juno commonly refers to: *Juno (mythology), the Roman goddess of marriage and queen of the gods *Juno (film), ''Juno'' (film), 2007 Juno may also refer to: Arts, entertainment and media Fictional characters *Juno, in the film ''Jenny, Juno'' *Ju ...

, the first

solar-powered Solar power is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power. Photovoltaic cells convert light into an electric current using the photovoltaic ef ...

spacecraft on a mission to

Jupiter Jupiter is the fifth planet from the Sun and the List of Solar System objects by size, largest in the Solar System. It is a gas giant with a mass more than two and a half times that of all the other planets in the Solar System combined, but ...

, is launched from

Cape Canaveral Air Force Station Cape Canaveral Space Force Station (CCSFS) is an installation of the United States Space Force's Space Launch Delta 45, located on Cape Canaveral in Brevard County, Florida. Headquartered at the nearby Patrick Space Force Base, the statio ...

. *

August 20 Events Pre-1600 *AD 14 – Agrippa Postumus, maternal grandson of the late Roman emperor Augustus, is mysteriously executed by his guards while in exile. * 636 – Battle of Yarmouk: Arabs, Arab forces led by Khalid ibn al-Walid take c ...

– 28 – Libyan rebels take control of the capital Tripoli, effectively overthrowing the government of

September

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 ...

–

and

Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mos ...

sign a pact to end their 40-year border demarcation dispute. *

September 9 Events Pre-1600 * 337 – Constantine II, Constantius II, and Constans succeed their father Constantine I as co-emperors. The Roman Empire is divided between the three Augusti. *1000 – Battle of Svolder, Viking Age. * 1141 – ...

–

October 23 Events Pre-1600 *4004 BC – James Ussher's proposed creation date of the world according to the Bible. *42 BC – Liberators' civil war: Mark Antony and Octavian decisively defeat an army under Brutus in the second part of the Battle ...

– The

2011 Rugby World Cup The 2011 Rugby World Cup was the seventh Rugby World Cup, a quadrennial international rugby union competition inaugurated in 1987. The International Rugby Board (IRB) selected New Zealand as the host country in preference to Japan and South Af ...

is won by New Zealand *

September 10 Events Pre-1600 * 506 – The bishops of Visigothic Gaul meet in the Council of Agde. *1419 – John the Fearless, Duke of Burgundy is assassinated by adherents of the Dauphin, the future Charles VII of France. * 1509 – An eart ...

– The ''MV Spice Islander I'', carrying at least 800 people, sinks off the coast of

Zanzibar Zanzibar (; ; ) is an insular semi-autonomous province which united with Tanganyika in 1964 to form the United Republic of Tanzania. It is an archipelago in the Indian Ocean, off the coast of the mainland, and consists of many small islands ...

, killing 240 people.197 bodies retrieved in Tanzania ferry accident: Minister
Xinhua September 11, 2011 *

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 ...

– Approximately 100 people die after a petrol pipeline explodes in

Nairobi Nairobi ( ) is the capital and largest city of Kenya. The name is derived from the Maasai phrase ''Enkare Nairobi'', which translates to "place of cool waters", a reference to the Nairobi River which flows through the city. The city proper ha ...

. *

September 17 Events Pre-1600 * 1111 – Highest Galician nobility led by Pedro Fróilaz de Traba and the bishop Diego Gelmírez crown Alfonso VII as "King of Galicia". * 1176 – The Battle of Myriokephalon is the last attempt by the Byzantine Empi ...

–

Occupy Wall Street Occupy Wall Street (OWS) was a protest Social movement, movement against economic inequality and the Campaign finance, influence of money in politics that began in Zuccotti Park, located in New York City's Financial District, Manhattan, Wall S ...

protests begin in the United States. This develops into the

Occupy movement The Occupy movement was an international populist socio-political movement that expressed opposition to social and economic inequality and to the perceived lack of "real democracy" around the world. It aimed primarily to advance social and econo ...

which spreads to 82 countries by October. *

September 19 Events Pre-1600 * 85 – Nerva, suspected of complicity of the death of Domitian, is declared emperor by Senate. The Senate then annuls laws passed by Domitian and orders his statues to be destroyed. * 634 – Siege of Damascus: Th ...

– With 436 dead, the United Nations launches a $357 million appeal for victims of the

2011 Sindh floods The 2011 Sindh floods was the highest-ever recorded rainfall between 11 August 2011, and 14 September 2011 in Sindh Province, Pakistan. Heavy rainfall was the main cause of the 2011 Sindh floods. After 15 September 2011, water receded from the i ...

October

October 4 Events Pre-1600 *AD 23 – Rebels sack the Chinese capital Chang'an during a peasant rebellion. *1209 – Otto IV is crowned Emperor of the Holy Roman Empire by Pope Innocent III. *1302 – The Byzantine–Venetian War comes to ...

– The death toll from the flooding of

Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand t ...

Mekong The Mekong or Mekong River is a trans-boundary river in East Asia and Southeast Asia. It is the world's List of rivers by length, twelfth longest river and List of longest rivers of Asia, the third longest in Asia. Its estimated length is , ...

river and attendant flash floods reaches 207. *

October 18 Events Pre-1600 * 33 – Heartbroken by the deaths of her sons Nero and Drusus, and banished to the island of Pandateria by Tiberius, Agrippina the Elder dies of self-inflicted starvation. * 320 – Pappus of Alexandria, Greek philos ...

Gilad Shalit prisoner exchange The Gilad Shalit prisoner exchange (; ), also known as "Wafa al-Ahrar" (''"Faithful to the free"''), followed a 2011 agreement between Israel and Hamas to release Israeli soldier Gilad Shalit in exchange for 1,027 prisoners — almost all Palest ...

Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...

and the

Palestinian Palestinians ( ar, الفلسطينيون, ; he, פָלַסְטִינִים, ) or Palestinian people ( ar, الشعب الفلسطيني, label=none, ), also referred to as Palestinian Arabs ( ar, الفلسطينيين العرب, label=non ...

militant organization

Hamas Hamas (, ; , ; an acronym of , "Islamic Resistance Movement") is a Palestinian Sunni-Islamic fundamentalist, militant, and nationalist organization. It has a social service wing, Dawah, and a military wing, the Izz ad-Din al-Qassam Bri ...

begin a major prisoner exchange, in which the captured

Israeli Army The Israel Defense Forces (IDF; he, צְבָא הַהֲגָנָה לְיִשְׂרָאֵל , ), alternatively referred to by the Hebrew-language acronym (), is the national military of the State of Israel. It consists of three service branc ...

soldier

Gilad Shalit Gilad Shalit ( he-a, גלעד שליט, Shalit.ogg, ''Gilˁad Šaliṭ'', born 28 August 1986) is a former MIA soldier of the Israel Defense Forces (IDF) who on 25 June 2006, was captured by Palestinian militants in a cross-border raid via tu ...

is released by Hamas in exchange for 1,027 Palestinian and

Israeli-Arab The Arab citizens of Israel are the largest ethnic minority in the country. They comprise a hybrid community of Israeli citizens with a heritage of Palestinian citizenship, mixed religions (Muslim, Christian or Druze), bilingual in Arabic an ...

prisoners held in Israel, including 280 prisoners serving life sentences for planning and perpetrating terror attacks. ** Dozens of exotic animals were released from their enclosures at the Muskingum County Animal Farm in

Zanesville, Ohio Zanesville is a city in and the county seat of Muskingum County, Ohio, United States. It is located east of Columbus and had a population of 24,765 as of the 2020 census, down from 25,487 as of the 2010 census. Historically the state capita ...

resulting in the need of local law enforcement to hunt and kill 48 animals including 18 tigers, 6 black bears, 2 grizzly bears, 2 wolves, 1 macaque monkey, 1 baboon, 3 mountain lions and 17 African lions *

October 20 Events Pre-1600 *1568 – The Spanish Duke of Alba defeats a Dutch rebel force under William the Silent. * 1572 – Eighty Years' War: Three thousand Spanish soldiers wade through fifteen miles of water in one night to effect the rel ...

** Libyan leader

is killed in

Sirte Sirte (; ar, سِرْت, ), also spelled Sirt, Surt, Sert or Syrte, is a city in Libya. It is located south of the Gulf of Sirte, between Tripoli and Benghazi. It is famously known for its battles, ethnic groups, and loyalty to Muammar G ...

, with National Transitional Council forces taking control of the city and ending the war. **

Basque Basque may refer to: * Basques, an ethnic group of Spain and France * Basque language, their language Places * Basque Country (greater region), the homeland of the Basque people with parts in both Spain and France * Basque Country (autonomous co ...

separatist Separatism is the advocacy of cultural, ethnic, tribal, religious, racial, governmental or gender separation from the larger group. As with secession, separatism conventionally refers to full political separation. Groups simply seeking greate ...

militant organisation

ETA Eta (uppercase , lowercase ; grc, ἦτα ''ē̂ta'' or ell, ήτα ''ita'' ) is the seventh letter of the Greek alphabet, representing the close front unrounded vowel . Originally denoting the voiceless glottal fricative in most dialects, ...

declares an end to its 43-year campaign of political violence, which has killed over 800 people since 1968. *

– A magnitude 7.2 M_w

earthquake An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in intensity, from ...

jolts eastern Turkey near the city of

Van A van is a type of road vehicle used for transporting goods or people. Depending on the type of van, it can be bigger or smaller than a pickup truck and SUV, and bigger than a common car. There is some varying in the scope of the word across th ...

, killing over 600 people and damaging about 2,200 buildings. *

October 27 Events Pre-1600 * 312 – Constantine is said to have received his famous Vision of the Cross. * 1275 – Traditional founding of the city of Amsterdam. * 1524 – French troops lay siege to Pavia. * 1553 – Condemned as ...

– After an emergency meeting in Brussels, the European Union announces an agreement to tackle the

which includes a

writedown A write-off is a reduction of the recognized value of something. In accounting, this is a recognition of the reduced or zero value of an asset. In income tax statements, this is a reduction of taxable income, as a recognition of certain expenses ...

of 50% of Greek bonds, a recapitalisation of European banks and an increase of the bailout fund of the

totaling to €1 trillion. *

October 29 Events Pre-1600 * 312 – Constantine the Great enters Rome after his victory at the Battle of the Milvian Bridge, stages a grand '' adventus'' in the city, and is met with popular jubilation. Maxentius' body is fished out of the Tiber ...

– A large

snowstorm A winter storm is an event in which wind coincides with varieties of precipitation that only occur at freezing temperatures, such as snow, Rain and snow mixed, mixed snow and rain, or freezing rain. In temperate continental climates, these sto ...

produced unusual amounts of early snowfall across the northeastern United States and the Canadian Maritimes, leaving 1.7 million people without power and disrupting travel. *

October 31 Events Pre-1600 * 475 – Romulus Augustulus is proclaimed Western Roman Emperor. * 683 – During the Siege of Mecca, the Kaaba catches fire and is burned down. * 802 – Empress Irene is deposed and banished to Lesbos. Conspi ...

** Date selected by the UN as the symbolic date when global population reaches seven billion. **

UNESCO The United Nations Educational, Scientific and Cultural Organization is a specialized agency of the United Nations (UN) aimed at promoting world peace and security through international cooperation in education, arts, sciences and culture. It ...

admits

Palestine __NOTOC__ Palestine may refer to: * State of Palestine, a state in Western Asia * Palestine (region), a geographic region in Western Asia * Palestinian territories, territories occupied by Israel since 1967, namely the West Bank (including East ...

as a member, following a vote which 107 member states support and 14 oppose.

November

November 18 Events Pre-1600 * 326 – The old St. Peter's Basilica is consecrated by Pope Sylvester I. * 401 – The Visigoths, led by king Alaric I, cross the Alps and invade northern Italy. * 1095 – The Council of Clermont begins: called ...

–

Mojang Studios Mojang Studios is a Swedish video game developer based in Stockholm. The studio is best known for developing the sandbox and survival game ''Minecraft'', the best-selling video game of all time. Mojang Studios was founded by the independent ...

releases the blockbuster

video game Video games, also known as computer games, are electronic games that involves interaction with a user interface or input device such as a joystick, controller, keyboard, or motion sensing device to generate visual feedback. This fee ...

Minecraft ''Minecraft'' is a sandbox game developed by Mojang Studios. The game was created by Markus "Notch" Persson in the Java programming language. Following several early private testing versions, it was first made public in May 2009 before being ...

. *

November 26 Events Pre-1600 * 783 – The Asturian queen Adosinda is held at a monastery to prevent her king from retaking the throne from Mauregatus. *1161 – Battle of Caishi: A Song dynasty fleet fights a naval engagement with Jin dynasty ...

–The

Mars Science Laboratory Mars Science Laboratory (MSL) is a robotic spacecraft, robotic space probe mission to Mars launched by NASA on November 26, 2011, which successfully landed ''Curiosity (rover), Curiosity'', a Mars rover, in Gale (crater), Gale Crater on August ...

rover ''Curiosity'', is launched from the

. It lands on

Mars Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, only being larger than Mercury (planet), Mercury. In the English language, Mars is named for the Mars (mythology), Roman god of war. Mars is a terr ...

August 6 Events Pre-1600 *1284 – The Republic of Pisa is defeated in the Battle of Meloria by the Republic of Genoa, thus losing its naval dominance in the Mediterranean. * 1538 – Bogotá, Colombia, is founded by Gonzalo Jiménez de Quesada ...

2012 File:2012 Events Collage V3.png, From left, clockwise: The passenger cruise ship Costa Concordia lies capsized after the Costa Concordia disaster; Damage to Casino Pier in Seaside Heights, New Jersey as a result of Hurricane Sandy; People gather ...

. *

November 30 Events Pre-1600 * 978 – Franco-German war of 978–980: Holy Roman Emperor Otto II lifts the siege of Paris and withdraws. 1601–1900 * 1707 – Queen Anne's War: The second Siege of Pensacola comes to end with the failure of the Br ...

– The United Kingdom severs diplomatic relations with Iran and expels diplomats, less than 24 hours after protesters attacked the British embassy in Tehran.

December

December 15 Events Pre-1600 * 533 – Vandalic War: Byzantine general Belisarius defeats the Vandals, commanded by King Gelimer, at the Battle of Tricamarum. * 687 – Pope Sergius I is elected as a compromise between antipopes Paschal and Theod ...

– The United States formally declares an

end End, END, Ending, or variation, may refer to: End *In mathematics: ** End (category theory) ** End (topology) **End (graph theory) ** End (group theory) (a subcase of the previous) **End (endomorphism) *In sports and games **End (gridiron footbal ...

to the

Iraq War {{Infobox military conflict , conflict = Iraq War {{Nobold, {{lang, ar, حرب العراق (Arabic) {{Nobold, {{lang, ku, شەڕی عێراق (Kurdish languages, Kurdish) , partof = the Iraq conflict (2003–present), I ...

. While this ends the

insurgency An insurgency is a violent, armed rebellion against authority waged by small, lightly armed bands who practice guerrilla warfare from primarily rural base areas. The key descriptive feature of insurgency is its asymmetric nature: small irregu ...

, it begins another. *

December 16 Events Pre-1600 * 714 – Pepin of Herstal, mayor of the Merovingian palace, dies at Jupille (modern Belgium). He is succeeded by his infant grandson Theudoald, while his widow Plectrude holds actual power in the Frankish Kingdom. * 755 ...

–

Tropical Storm Washi Severe Tropical Storm Washi, known in the Philippines as Tropical Storm Sendong, was a late-season tropical cyclone that caused around 1,200 to 1,500 deaths and catastrophic damage in the Philippines in late 2011. Washi made landfall over Minda ...

causes 1,268

flash flood A flash flood is a rapid flooding of low-lying areas: washes, rivers, dry lakes and depressions. It may be caused by heavy rain associated with a severe thunderstorm, hurricane, or tropical storm, or by meltwater from ice or snow flowing o ...

fatalities in the

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

, with 85 people officially listed as missing. *

December 17 Events Pre-1600 * 497 BC – The first Saturnalia festival was celebrated in ancient Rome. * 546 – Siege of Rome: The Ostrogoths under king Totila plunder the city, by bribing the Byzantine garrison. * 920 – Romanos I Lekap ...

– North Korean leader

Kim Jong-il Kim Jong-il (; ; ; born Yuri Irsenovich Kim;, 16 February 1941 – 17 December 2011) was a North Korean politician who was the second supreme leader of North Korea from 1994 to 2011. He led North Korea from the 1994 death of his father Kim ...

dies of either a heart attack or stroke on his way to a field guidance. *

December 19 Events Pre-1600 *1154 – Henry II of England is crowned at Westminster Abbey. * 1187 – Pope Clement III is elected. * 1490 – Anne, Duchess of Brittany, is married to Maximilian I, Holy Roman Emperor by proxy. * 1562 – ...

– Liechtenstein becomes the 26th member state of the

Schengen Area The Schengen Area ( , ) is an area comprising 27 European countries that have officially abolished all passport and all other types of border control at their mutual borders. Being an element within the wider area of freedom, security and j ...

. *

December 29 Events Pre-1600 *1170 – Thomas Becket, Archbishop of Canterbury, is assassinated inside Canterbury Cathedral by followers of King Henry II; he subsequently becomes a saint and martyr in the Anglican Communion and the Catholic Church. ...

–

and

Tokelau Tokelau (; ; known previously as the Union Islands, and, until 1976, known officially as the Tokelau Islands) is a dependent territory of New Zealand in the southern Pacific Ocean. It consists of three tropical coral atolls: Atafu, Nukunonu, a ...

move from east to west of the

International Date Line The International Date Line (IDL) is an internationally accepted demarcation on the surface of Earth, running between the South and North Poles and serving as the boundary between one calendar day and the next. It passes through the Pacific O ...

, thereby skipping December 30, in order to align their time zones better with their main trading partners.

Births and deaths

Nobel Prizes

Chemistry Chemistry is the science, scientific study of the properties and behavior of matter. It is a natural science that covers the Chemical element, elements that make up matter to the chemical compound, compounds made of atoms, molecules and ions ...

–

Dan Shechtman Dan Shechtman ( he, דן שכטמן; born January 24, 1941)Dan Shechtman
. (PDF). Retri ...

Economics Economics () is the social science that studies the Production (economics), production, distribution (economics), distribution, and Consumption (economics), consumption of goods and services. Economics focuses on the behaviour and intera ...

–

Christopher A. Sims Christopher Albert Sims (born October 21, 1942) is an American econometrician and macroeconomist. He is currently the John J.F. Sherrerd '52 University Professor of Economics at Princeton University. Together with Thomas Sargent, he won the N ...

and

Thomas J. Sargent Thomas John Sargent (born July 19, 1943) is an American economist and the W.R. Berkley Professor of Economics and Business at New York University. He specializes in the fields of macroeconomics, monetary economics, and time series econometrics ...

Literature Literature is any collection of written work, but it is also used more narrowly for writings specifically considered to be an art form, especially prose fiction, drama, and poetry. In recent centuries, the definition has expanded to include ...

–

Tomas Tranströmer Tomas Gösta Tranströmer (; 15 April 1931 – 26 March 2015) was a Swedish poet, psychologist and translator. His poems captured the long Swedish winters, the rhythm of the seasons and the palpable, atmospheric beauty of nature. Tranströmer's ...

Peace Peace is a concept of societal friendship and harmony in the absence of hostility and violence. In a social sense, peace is commonly used to mean a lack of conflict (such as war) and freedom from fear of violence between individuals or groups. ...

–

Ellen Johnson Sirleaf Ellen Johnson Sirleaf (born Ellen Eugenia Johnson, 29 October 1938) is a Liberian politician who served as the 24th president of Liberia from 2006 to 2018. Sirleaf was the first elected female head of state in Africa. Sirleaf was born in Mon ...

Leymah Gbowee Leymah Roberta Gbowee (born 1 February 1972) is a Liberian peace activist responsible for leading a women's nonviolent peace movement, Women of Liberia Mass Action for Peace that helped bring an end to the Second Liberian Civil War in 2003. Her ef ...

and

Tawakkol Karman Tawakkol Abdel-Salam Khalid Karman ( ar, توكل عبد السلام خالد كرمان, Tawakkul 'Abd us-Salām Khalid Karmān; also romanized ''Tawakul'', ''Tawakel''; born 7 February 1979) is a Yemeni Nobel Laureate, journalist, politician ...

Physics Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which r ...

–

Saul Perlmutter Saul Perlmutter (born September 22, 1959) is a U.S. astrophysicist at the Lawrence Berkeley National Laboratory and a professor of physics at the University of California, Berkeley. He is a member of both the American Academy of Arts & Sciences ...

Adam Riess Adam Guy Riess (born December 16, 1969) is an American astrophysicist and Bloomberg Distinguished Professor at Johns Hopkins University and the Space Telescope Science Institute. He is known for his research in using supernovae as cosmologica ...

, and

Brian Schmidt Brian Paul Schmidt (born 24 February 1967) is the Vice-Chancellor of the Australian National University (ANU). He was previously a Distinguished Professor, Australian Research Council Laureate Fellow and astrophysicist at the University's Mo ...

Physiology or Medicine The Nobel Prize in Physiology or Medicine is awarded yearly by the Nobel Assembly at the Karolinska Institute, Nobel Assembly at the Karolinska Institutet, Karolinska Institute for outstanding discoveries in physiology or medicine. The Nobel Pr ...

– Bruce Beutler,

Jules A. Hoffmann Jules A. Hoffmann (; born 2 August 1941) is a Luxembourg-born French biologist. During his youth, growing up in Luxembourg, he developed a strong interest in insects under the influence of his father, Jos Hoffmann. This eventually resulted in the y ...

, and

Ralph M. Steinman Ralph Marvin Steinman (January 14, 1943 – September 30, 2011) was a Canadian physician and medical researcher at Rockefeller University, who in 1973 discovered and named dendritic cells while working as a postdoctoral fellow in the labora ...

New English words

*''

blockchain A blockchain is a type of distributed ledger technology (DLT) that consists of growing lists of records, called ''blocks'', that are securely linked together using cryptography. Each block contains a cryptographic hash of the previous block, a ...

References

{{DEFAULTSORT:2011

Events

January

February

March

April

May

June

July

August

September

October

November

December

Births and deaths

Nobel Prizes

New English words

See also

References