WHAT HAPPENED ON 12. SEPTEMBER
Want to find out what all happened on 12. September

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. (12. September 490. BC)

Sixteen Kingdoms: Jin Xiaowudi, age 10, succeeds his father Jin Jianwendi as Emperor of the Eastern Jin Dynasty. (12. September 372)

Emperor Andronikos I Komnenos brutally put to death in Constantinople. (12. September 1185)

Albigensian Crusade: Simon de Montfort, 5th Earl of Leicester, defeats Peter II of Aragon at the Battle of Muret. (12. September 1213)

The Aragonese army under the command of James I of Aragon disembarks at Santa Ponça, Majorca, with the purpose of conquering the island. (12. September 1229)

The First Siege of Gibraltar takes place in the context of the Spanish Reconquista pitting the forces of the Kingdom of Castile against the Emirate of Granada resulting in a Castilian victory. (12. September 1309)

Henry Hudson begins his exploration of the Hudson River while aboard the Halve Maen. (12. September 1609)

Austro-Ottoman War: Battle of Vienna – several European armies join forces to defeat the Ottoman Empire. (12. September 1683)

Battle of North Point: an American detachment halts the British land advance to Baltimore in the War of 1812. (12. September 1814)

Elizabeth Barrett elopes with Robert Browning. (12. September 1846)

Mexican–American War: the Battle of Chapultepec begins. (12. September 1847)

Switzerland becomes a Federal state. (12. September 1848)

The SS Central America sinks about 160 miles east of Cape Hatteras, North Carolina, drowning a total of 426 passengers and crew, including Captain William Lewis Herndon. The ship was carrying 13–15 tons of gold from the San Francisco Gold Rush. (12. September 1857)

The District of Maple Ridge, British Columbia, Canada is founded. (12. September 1874)

Arbroath 36–0 Bon Accord, a world record scoreline in professional Association football. (12. September 1885)

Salisbury, Rhodesia, is founded. (12. September 1890)

Tirah Campaign: Battle of Saragarhi. (12. September 1897)

The Newport Transporter Bridge is opened in Newport, South Wales by Viscount Tredegar. (12. September 1906)

Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter) (12. September 1910)

Adolf Hitler joins the German Workers Party (later the Nazi Party). (12. September 1919)