Year 1252 ( MCCLII) was a

leap year starting on Monday A leap year starting on Monday is any year with 366 days (i.e. it includes 29 February) that begins on Monday, 1 January, and ends on Tuesday, 31 December. Its dominical letters hence are GF. The most recent year of such kind was 1996 and the n ...

(link will display the full calendar) of 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 mathematicians and astronomers such as Sosigenes of Alexandr ...

Events

By place

Europe

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. *13 ...

– Saint

Peter of Verona Peter of Verona (1205 – April 6, 1252), also known as Saint Peter Martyr and Saint Peter of Verona, was a 13th-century Italian Catholic priest. He was a Dominican friar and a celebrated preacher. He served as Inquisitor in Lombardy, was kille ...

is assassinated by Carino of Balsamo. *

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 Arbog ...

–

Pope Innocent IV Pope Innocent IV ( la, Innocentius IV; – 7 December 1254), born Sinibaldo Fieschi, was head of the Catholic Church and ruler of the Papal States from 25 June 1243 to his death in 1254. Fieschi was born in Genoa and studied at the universitie ...

issues the papal bull ''

Ad exstirpanda ''Ad extirpanda'' ("To eradicate"; named for its Latin incipit) was a papal bull promulgated on Wednesday, May 15, 1252 by Pope Innocent IV which authorized in limited and defined circumstances the use of torture by the Inquisition as a tool for ...

'', which authorizes the

torture Torture is the deliberate infliction of severe pain or suffering on a person for reasons such as punishment, extracting a confession, interrogational torture, interrogation for information, or intimidating third parties. definitions of tortur ...

of heretics in the Medieval Inquisition. Torture quickly gains widespread usage across

Catholic The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a subcontinent of Eurasia and it is located entirel ...

. *

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 k ...

–

Alfonso X Alfonso X (also known as the Wise, es, el Sabio; 23 November 1221 – 4 April 1284) was King of Castile, León and Galicia from 30 May 1252 until his death in 1284. During the election of 1257, a dissident faction chose him to be king of Germ ...

is proclaimed king of Castile and León. *

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 ...

– The settlement of Stockholm in Sweden is founded, by

Birger Jarl Birger Jarl, also known as ''Birger Magnusson'' (21 October 1266), was a Swedish statesman, ''jarl'', and a member of the House of Bjelbo, who played a pivotal role in the consolidation of Sweden. Birger also led the Second Swedish Crusade, w ...

. *

December 25 Events Pre-1600 * 36 – Forces of Emperor Guangwu of the Eastern Han, under the command of Wu Han, conquer the separatist Chengjia empire, reuniting China. * 274 – A temple to Sol Invictus is dedicated in Rome by Emperor Aureli ...

– Christopher I of Denmark is crowned King of

Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of Denmark , establish ...

, in the

Lund Cathedral Lund Cathedral ( sv, Lunds domkyrka) is a cathedral of the Lutheran Church of Sweden in Lund, Scania, Sweden. It is the seat of the Bishop of Lund and the main church of the Diocese of Lund. It was built as the Catholic cathedral of the archiepi ...

. * The

Polish Polish may refer to: * Anything from or related to Poland, a country in Europe * Polish language * Poles Poles,, ; singular masculine: ''Polak'', singular feminine: ''Polka'' or Polish people, are a West Slavic nation and ethnic group, w ...

land of Lebus is incorporated into the German state of

Brandenburg Brandenburg (; nds, Brannenborg; dsb, Bramborska ) is a state in the northeast of Germany bordering the states of Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony, as well as the country of Poland. With an area of 29,480 sq ...

, marking the start of Brandenburg's expansion into previously Polish areas (

Neumark The Neumark (), also known as the New March ( pl, Nowa Marchia) or as East Brandenburg (), was a region of the Margraviate of Brandenburg and its successors located east of the Oder River in territory which became part of Poland in 1945. Call ...

). * The Lithuanian city of

Klaipėda Klaipėda (; ; german: Memel; pl, Kłajpeda; russian: Клайпеда; sgs, Klaipieda) is a city in Lithuania on the Baltic Sea coast. The capital of the eponymous county, it is the third largest city and the only major seaport in Lithuania ...

(''Memel'') is founded by the

Teutonic Knights The Order of Brothers of the German House of Saint Mary in Jerusalem, commonly known as the Teutonic Order, is a Catholic religious institution founded as a military society in Acre, Kingdom of Jerusalem. It was formed to aid Christians o ...

. * The town and monastery of

Orval Abbey Orval Abbey (Abbaye Notre-Dame d'Orval) is a Cistercian monastery founded in 1132 in the Gaume region of Belgium and is located in Villers-devant-Orval, part of Florenville, Wallonia in the province of Luxembourg. The abbey is well known for it ...

Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to th ...

burn to the ground; rebuilding takes 100 years. *

Thomas Aquinas Thomas Aquinas, OP (; it, Tommaso d'Aquino, lit=Thomas of Aquino; 1225 – 7 March 1274) was an Italian Dominican friar and priest who was an influential philosopher, theologian and jurist in the tradition of scholasticism; he is known wit ...

travels to the

University of Paris , image_name = Coat of arms of the University of Paris.svg , image_size = 150px , caption = Coat of Arms , latin_name = Universitas magistrorum et scholarium Parisiensis , motto = ''Hic et ubique terrarum'' (Latin) , mottoeng = Here and a ...

, to begin his studies there for a

master's degree A master's degree (from Latin ) is an academic degree awarded by universities or colleges upon completion of a course of study demonstrating mastery or a high-order overview of a specific field of study or area of professional practice.

. * In

astronomy Astronomy () is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution. Objects of interest include planets, moons, stars, nebulae, g ...

, work begins on the recording of the Alfonsine tables.

Asia

* The classic Japanese text ''Jikkunsho'' is completed. * The Chinese era ''Chunyou'' ends. * The

Mongols The Mongols ( mn, Монголчууд, , , ; ; russian: Монголы) are an East Asian ethnic group native to Mongolia, Inner Mongolia in China and the Buryatia Republic of the Russian Federation. The Mongols are the principal membe ...

take the westernmost province of the

Song dynasty The Song dynasty (; ; 960–1279) was an imperial dynasty of China that began in 960 and lasted until 1279. The dynasty was founded by Emperor Taizu of Song following his usurpation of the throne of the Later Zhou. The Song conquered the rest ...

empire.

Births

* March 25 –

Conradin Conrad III (25 March 1252 – 29 October 1268), called ''the Younger'' or ''the Boy'', but usually known by the diminutive Conradin (german: link=no, Konradin, it, Corradino), was the last direct heir of the House of Hohenstaufen. He was Duk ...

, Duke of Swabia (d.

1268 Year 1268 ( MCCLXVIII) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By topic War and politics * February 18 – Battle of Rakvere: The Livonian Order is defeated by Dovmont ...

) *

Safi-ad-din Ardabili Safi-ad-din Ardabili ( fa, شیخ صفی‌الدین اردبیلی ''Ṣāfī ad-Dīn Isḥāq Ardabīlī''; 1252/3 – 1334) was a poet, mystic, teacher and Sufi master. He was the son-in-law and spiritual heir of the Sufi master Zahed Gila ...

, Persian Sufi leader *

Eleanor de Montfort, Princess of Wales Eleanor de Montfort, Princess of Wales and Lady of Snowdon (1252 – 19 June 1282) was an English noble and Welsh Princess. She was the daughter of Simon de Montfort, 6th Earl of Leicester and Eleanor of England. She was also the second woman wh ...

, English-born consort (d.

1282 Year 1282 ( MCCLXXXII) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. Events By place Europe * March – Welsh forces under Prince Dafydd ap Gruffydd, brother of Llywelyn ap ...

)

Deaths

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 ...

– Saint

Zdislava Berka Zdislava Berka (also Zdislava of Lemberk; 1220–1252, in what is now the northern part of Czech Republic) was the wife of Havel of Markvartice, Duke of Lemberk, and is a Czech saint of the Roman Catholic Church. She was a "wife, mother, and o ...

, Bohemian lay Dominican benefactress *

January 23 Events Pre-1600 * 393 – Roman emperor Theodosius I proclaims his eight-year-old son Honorius co-emperor. * 971 – Using crossbows, Song dynasty troops soundly defeat a war elephant corps of the Southern Han at Shao. *1264 & ...

–

Isabella, Queen of Armenia Isabella ( hy, Զապել; 27 January 1216/ 25 January 1217 – 23 January 1252), also Isabel or Zabel, was queen regnant of Armenian Cilicia from 1219 until her death in 1252. She was proclaimed queen under the regency of Adam of Baghras. Afte ...

* January – Bohemond V, Prince of Antioch * February 3 – Sviatoslav III of Vladimir, Prince of Novgorod (b.

1196 Year 1196 ( MCXCVI) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * December – Emperor Alexios III (Angelos) is threatened by Emperor Henry VI, ...

) *

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 I Ko ...

–

Kujō Michiie Kujō Michiie (九条道家) (July 28, 1193 — April 1, 1252) was a Japanese regent in the 13th century. He was the father of Kujō Yoritsune and grandson of Kujō Kanezane (also known as Fujiwara no Kanezane). He was the father of Norizane a ...

, Japanese regent *

– Saint

May 3 Events Pre-1600 * 752 – Mayan king Bird Jaguar IV of Yaxchilan in modern-day Chiapas, Mexico, assumes the throne. * 1481 – The largest of three earthquakes strikes the island of Rhodes and causes an estimated 30,000 casualties. ...

May 4 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 ...

– Günther von Wüllersleben, Grand Master of the Teutonic Knights * May 30 – King

Ferdinand III of Castile Ferdinand III ( es, Fernando, link=no; 1199/120130 May 1252), called the Saint (''el Santo''), was King of Castile from 1217 and King of León from 1230 as well as King of Galicia from 1231. He was the son of Alfonso IX of León and Berenguel ...

and Leon * June 6 –

Robert Passelewe Robert Passelewe (or Robert Papelew; died 1252) was a medieval Bishop of Chichester elect as well as being a royal clerk and Archdeacon of Lewes.Greenway Fasti Ecclesiae Anglicanae 1066–1300: Volume 5: Chichester: Bishops' Life Passelewe was ...

, Bishop of Chichester *

June 9 Events Pre-1600 *411 BC – The Athenian coup succeeds, forming a short-lived oligarchy. * 53 – The Roman emperor Nero marries Claudia Octavia. * 68 – Nero dies by suicide after quoting Vergil's ''Aeneid'', thus ending th ...

–

Otto I, Duke of Brunswick-Lüneburg Otto I of Brunswick-Lüneburg (about 1204 – 9 June 1252), a member of the House of Welf, was the first duke of Brunswick-Lüneburg from 1235 until his death. He is called Otto the Child to distinguish him from his uncle, Emperor Otto IV. ...

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, ...

–

Abel, King of Denmark Abel Valdemarsen (1218 – 29 June 1252) was Duke of Schleswig from 1232 to 1252 and King of Denmark from 1250 until his death in 1252. He was the son of Valdemar II by his second wife, Berengaria of Portugal, and brother to kings Eric IV and Chr ...

(b.

1218 Year 1218 ( MCCXVIII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. Events By place Fifth Crusade * May 24 – A Crusader expeditionary force, (some 30,000 men) under King Joh ...

) *

August 1 Events Pre-1600 *30 BC – Octavian (later known as Augustus) enters Alexandria, Egypt, bringing it under the control of the Roman Republic. *AD 69 – Batavian rebellion: The Batavians in Germania Inferior (Netherlands) revolt under ...

–

Giovanni da Pian del Carpine Giovanni da Pian del Carpine, variously rendered in English as ''John of Pian de Carpine'', ''John of Plano Carpini'' or ''Joannes de Plano'' (c. 11851 August 1252), was a medieval Italian diplomat, archbishop and explorer and one of the firs ...

, Italian chronicler of the Mongol Empire *

November 27 Events Pre-1600 *AD 25 – Luoyang is declared capital of the Eastern Han dynasty by Emperor Guangwu of Han. * 176 – Emperor Marcus Aurelius grants his son Commodus the rank of " Imperator" and makes him Supreme Commander of the ...

–

Blanche of Castile Blanche of Castile ( es, Blanca de Castilla; 4 March 1188 – 27 November 1252) was Queen of France by marriage to Louis VIII. She acted as regent twice during the reign of her son, Louis IX: during his minority from 1226 until 1234, and during ...

, queen of

Louis VIII of France Louis VIII (5 September 1187 – 8 November 1226), nicknamed The Lion (french: Le Lion), was King of France from 1223 to 1226. As prince, he invaded England on 21 May 1216 and was excommunicated by a papal legate on 29 May 1216. On 2 June 1216 ...

and regent of France (b.

1188 Year 1188 ( MCLXXXVIII) was a leap year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Europe * January 22 – King Ferdinand II dies after returning from a pilgrimage to Santi ...

) * ''date unknown'' **

John of Basingstoke John of Basingstoke (died 1252), also called John Basing, was an Archdeacon of Leicester in the 13th century. Basingstoke was an advocate of Greek literacy and seems to have been instrumental in introducing the apocryphal '' Testament of the Twelve ...

, English scholar and ecclesiastic **

Henry I, Count of Anhalt Henry I ( 1170 – 1252), a member of the House of Ascania, was Count of Anhalt from 1212 and the first ruling Anhalt prince from 1218 until his death. Life He was the oldest son of Count Bernhard of Anhalt probably by his first wife Judith (o ...

Sorghaghtani Beki Sorghaghtani Beki ( mn, Сорхагтани Бэхи/ ; ) or Bekhi ('' Bek(h)i'' is a title), also written Sorkaktani, Sorkhokhtani, Sorkhogtani, Siyurkuktiti ( – 1252), posthumous name Empress Xianyi Zhuangsheng (), was a Keraite princess an ...

, Mongolian empress and regent **

Catherine Sunesdotter Catherine Sunesdotter ( sv, Karin Sunadotter or Katarina Sunesdotter), (c. 1215 – 1252) was Queen of Sweden from 1244 to 1250 as the wife of King Eric XI of Sweden. In her later years she served as abbess of Gudhem Abbey in Falbygden. Heir of ...

, Swedish queen consort **

Yesü Möngke Yesü Möngke (, died 1252) was head of the ''ulus'' of the Chagatai Khanate (1246 or 1247-1252). Biography He was the fifth son of Chagatai Khan and Yesülün Khatun. In or around 1246, he was appointed as khan of the Chagatai Khanate by his ...

, Khan of the

Chagatai Khanate The Chagatai Khanate, or Chagatai Ulus ( xng, , translit=Čaɣatay-yin Ulus; mn, Цагаадайн улс, translit=Tsagaadain Uls; chg, , translit=Čağatāy Ulusi; fa, , translit=Xânât-e Joghatây) was a Mongol and later Turkicized kh ...

References

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