September 1st – Spanish King Philip 11 receives sacraments (1598)
September 2nd – Queen Cleopatra Vll of Egypt declares her son Caesarion co-ruler as Ptolemy XV Caesar. (44 BC)
September 3rd – World War II: Britain declares war on Germany after invasion of Poland. France followed 6 hours later, quickly joined by Australia, New Zealand, South Africa & Canada. (1939)
September 4th – Los Angeles is founded by 44 Spanish speaking Mestizos in the Bahia de las Fumas. (Bay of Smokes) (1781)
September 5th – Twelve of the thirteen American colonies adopt a trade embargo against Great Britain at the first Continental Congress at Carpenters’ Hall in Philadelphia, Pennsylvania. (1744)
September 6th – Ferdinand Magellan’s Spanish expedition aboard the Vitoria returns to Spain without their captain. First to circumnavigate the Earth. (1522)
September 7th – Treaty of Baden signed by the Holy Roman Empire and France, ending the War of the Spanish Succession; French retain Alsace and Landau, Austria gets east bank o the Rhine. (1714)
September 8th – Queen Elizabeth II dies at Balmoral Castle after ruling for 70 years, as the UK’s longest-serving monarch. Her eldest son inherits the throne as King Charles III. (2022)
September 9th – WWI: First fully mechanized unit in the British Army created – the Canadian Automobile Machine Gun Brigade. (1914)