September 09
Overview
Holidays & Observances
Christianfeast day:
Charles Lowder(Church of England), Ciarán of Clonmacnoise, Frédéric Ozanam, Constance, Nun, and her Companions(Episcopal Church), Our Lady ofArantzazu(Oñati), Peter Claver, Synaxis of Ss.JoachimandAnna, anAfterfeast. (Eastern OrthodoxandEastern Catholic Churches), September 9 (Eastern Orthodox liturgics)
A religious feast day observed by various Christian denominations on September 9, commemorating saints and holy figures.
Armored Forces Day (Ukraine)
A day in Ukraine honoring the bravery and achievements of the nation's armored units.
California Admission Day(California, United States)
A day marking the admission of California as the 31st state of the United States on September 9, 1850.
Children's Day(Costa Rica)
A Costa Rican holiday dedicated to celebrating children, their rights, and well-being.
Chrysanthemum DayorKiku no Sekku(Japan)
A Japanese festival celebrating the chrysanthemum flower, symbolizing longevity and rejuvenation.
Day of the Victims of Holocaust and of Racial Violence(Slovakia)
A Slovak observance honoring victims of the Holocaust and other acts of racial violence.
Emergency Services Day (United Kingdom)
A UK observance recognizing the dedication of firefighters, police, paramedics, and other emergency responders.
Independence Day or Republic Day, celebrates the proclamation ofDemocratic People's Republic of Korea(North Korea) in 1948.
North Korea's national day marking the founding of the Democratic People's Republic of Korea in 1948.
Independence Day (Tajikistan), celebrates the independence ofTajikistanfromUSSRin 1991.
Tajikistan's national holiday commemorating its independence from the Soviet Union in 1991.
Events
Constantine II, Constantius II, and Constans succeed their father Constantine I as co-emperors. The Roman Empire is divided between the three Augusti.
After the death of Constantine I, his three sons—Constantine II, Constantius II, and Constans—become co-emperors, dividing the Roman Empire among them.
Battle of Svolder, Viking Age.
The Battle of Svolder, fought in 1000 AD, saw King Olaf Tryggvason of Norway ambushed and defeated by a coalition of rival Scandinavian rulers.
Yelü Dashi, the Liao dynasty general who founded the Qara Khitai, defeats the Seljuq and Kara-Khanid forces at the Battle of Qatwan.
Yelü Dashi, founder of the Qara Khitai, dealt a crushing blow to the Seljuq and Kara-Khanid armies at the Battle of Qatwan in 1141.
In the Battle of Saint George, the Byzantines under Andronikos Asen ambush and defeat the forces of the Principality of Achaea, securing possession of Arcadia.
Byzantine forces under Andronikos Asen ambushed and defeated the Principality of Achaea at the Battle of Saint George in 1320, reclaiming Arcadia.
Anne becomes sovereign Duchess of Brittany, becoming a central figure in the struggle for influence that leads to the union of Brittany and France.
Anne of Brittany ascends as the sovereign Duchess in 1488, playing a key role in Brittany’s eventual union with France.
Battle of Krbava Field, a decisive defeat of Croats in Croatian struggle against the invasion by the Ottoman Empire.
At the Battle of Krbava Field in 1493, Ottoman forces achieved a decisive victory over Croatian defenders, impacting the region’s resistance to Ottoman expansion.
Christopher Columbus, with 17 ships and 1,200 men, sails on second voyage from Cadiz.
Christopher Columbus sets sail from Cádiz on his second voyage in 1493, leading a larger fleet and crew for further exploration of the West Indies.
The citizens of Lisbon celebrate the triumphal return of the explorer Vasco de Gama, completing his two-year journey around the Cape of Good Hope to India.
After a two-year expedition around the Cape of Good Hope, Vasco da Gama returns to Lisbon in 1499, heralding a new era of maritime trade with India.
James IV of Scotland is defeated and dies in the Battle of Flodden, ending Scotland's involvement in the War of the League of Cambrai.
King James IV of Scotland is killed at the Battle of Flodden in 1513, delivering a crushing defeat to Scottish forces against England.
Births
Aurelian
Emperor Aurelian restored the Roman Empire's unity and defense during the Crisis of the Third Century.
Honorius
Honorius was Western Roman Emperor from 395 to 423 AD, overseeing a period marked by internal strife and the sack of Rome.
Albert III
Albert III was a 14th-century Duke of Austria from the House of Habsburg, known for his co-rule of Inner Austria and Tyrol.
Thomas de Ros
Thomas de Ros, 9th Baron de Ros, was an English soldier and politician who fought in the Wars of the Roses.
Ashikaga Yoshitane
Ashikaga Yoshitane served twice as the 10th shōgun of Japan’s Ashikaga shogunate during the early Sengoku period.
Philippe Emmanuel
Philippe Emmanuel of Lorraine, Duke of Mercœur, led the Catholic League in Brittany during the French Wars of Religion.
Cardinal Richelieu
Cardinal Richelieu was the chief minister to King Louis XIII, consolidating royal power and founding the Académie Française.
Cornelis Tromp
Cornelis Tromp was a Dutch admiral famed for his aggressive leadership in the Anglo-Dutch Wars.
Princess Anna Sophie of Schwarzburg-Rudolstadt was a German noblewoman known for her patronage of the arts and charitable works.
Deaths
Adalbert von Babenberg
Frankish nobleman and early margrave of Austria from the Babenberg dynasty.
Olaf I
King of Norway who played a key role in introducing Christianity to the Viking kingdom.
Kang Kam-ch'an
Renowned Goryeo general credited with defending Korea against Khitan invasions.
William the Conqueror
Duke of Normandy who became the first Norman king of England after his victory at Hastings in 1066.
Conrad II
Bohemian duke from the Přemyslid dynasty who ruled briefly in the late 12th century.
Yaroslav of Tver
Grand Prince of Tver who navigated Mongol overlordship and local rivalries in 13th-century Russia.
Ingrid of Skänninge
Swedish abbess and saint known for her piety and leadership in medieval monastic life.
Kunigunda of Halych
Ruthenian princess who served as queen regent of Bohemia in the late 13th century.
James I
14th-century monarch who ruled Cyprus and worked to stabilize the kingdom after familial tragedies.