Browse Historical Events by Month:
Battles, deaths, and monumental religious moments. Explore significant events from September that helped shape the world. Dates for earlier events may be approximate.
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Marco Polo sets off on his journey to the East, embarking in Venice on a 24-year exploration of Asia and becoming one of the most famous European explorers. The journey followed the Silk Road, traveling through what are now Iran and Afghanistan, and involved crossing deserts, mountains, and hostile territories. Marco Polo returned to Venice in 1295 to find their family and neighbors believed them to be dead.
The War of the Sicilian Vespers ends with the Peace of Caltabellotta, granting independence to the Kingdom of Sicily from the Angevin Kingdom of Naples.
The Battle of Evesham takes place during the Second Barons' War in England, resulting in a decisive victory for King Edward I over rebel forces.
The Battle of Stirling Bridge is fought during the First War of Scottish Independence, where Scottish forces led by William Wallace defeat the English army.
The Treaty of Alcañices is signed between the Kingdom of León and the Kingdom of Portugal, resolving territorial disputes and establishing the border between the two kingdoms, one of the oldest and most stable borders in Europe, often referred to as La Raya or A Raia. The agreement also fostered an alliance between Portugal and Castile.
Pope Boniface VIII is captured by agents of King Philip IV of France on September 7,1303, leading to a conflict between the papacy and the French monarchy.
Pope Boniface VIII is captured by agents of King Philip IV of France, on September 7, 1303 leading to a conflict between the papacy and the French monarchy.
The Battle of Bannockburn takes place during the First War of Scottish Independence, resulting in a decisive victory for the Kingdom of Scotland against the Kingdom of England.
The Battle of Mühldorf occurs between the Duchy of Bavaria and the Archduchy of Austria. The Bavarians were led by German King Louis of Wittelsbach, while the Austrians were under the command of his cousin, Anti-king Frederick of Habsburg. The Bavarian forces, loyal to Emperor Louis IV defeat the Habsburgs, securing Louis' position as Holy Roman Emperor.
Edward Balliol, supported by Edward III from England, is crowned King of Scotland in Scone in the second war of Scottish Independent. His reign was short-lived and he was forced to flee Scotland less than three months later.
The Battle of Sluys takes place during the Hundred Years' War, with the English fleet under King Edward III achieving a major victory over the French fleet.
The Battle of Blanchetaque is fought during the Crécy campaign of the Hundred Years' War, where the English army successfully crosses the River Somme to engage the French forces.
King John II of France, is captured by the English during the Battle of Poitiers by the English forces led by Edward the Black Prince in a decisive English victory during the Hundred Years' War. A significant set-back for the French crown which led to the eventual negotiations of the Treaty of Brétigny.
Clement VII is elected on September 20, 1378 as a rival pope in Avignon by a majority of the cardinals seceding from Rome. The events leading to the Western Schism began after Pope Gregory XI's death in March 1378, with the election of Urban VI on April 8, 1378,
The creation of two competing papal claimants divided the Catholic Church. The schism was finally resolved 40 years later at the Council of Constance in 1417-1418 , which led to the election of a single pope, Martin V.
The Battle of Kulikovo takes place during the Mongol invasion of Russia, where the forces of Grand Prince Dmitry of Moscow defeated the Mongol army. The victory did not end Mongol domination over Russia but it is traditionally regarded as the turning point at which Mongol influence began to wane and Moscow's power began to rise.
King Charles VI of France ordered that all Jewish people be expelled from the kingdom. More
The Battle of Nicopolis in Bulgaria takes place during the Crusade of Nicopolis, where the Ottoman Empire, led by Bayezid I, decisively defeats the combined European forces led by King Sigismund of Hungary. The defeat lead the way to the end of the Second Bulgarian Empire, securing Turkish control over the region and the expansion of the Ottoman empire into the Balkans.
King Richard II of England is persuaded to sign a formal abdication document relinquishing the throne to Henry Bolingbroke. Next day, on September 30, his abdication was announced and approved by Parliament, and Henry was proclaimed king. as Henry IV
The Welsh rebel leader, Owain Glyndŵr, proclaims himself Prince of Wales, initiating a revolt against English rule. This declaration at his manor of Sycharth ignited a 15-year uprising where Glyndŵr's forces engaged in guerrilla warfare, attacking English towns and capturing English-held castles, leading to a unified vision of an independent Wales.
Following Glyndŵr's significant military victories, the English parliament issued statutes explicitly referring to "Owen ap Glendourdy, traitor to our sovereign lord and king". King Henry IV of England initially declared Owain Glyndŵr a traitor and offered a reward for his capture circa 1400.
