September 244 BC – Pharaoh Cleopatra VII of Egypt declares her son co-ruler as Ptolemy XV Caesarion. 44 BC – Cicero launches the first of his Philippicae (oratorical attacks) on Mark Antony. He will make 14 of them over the following months. 31 BC – Final War of the Roman Republic: Battle of Actium: Off the western coast of Greece, forces of Octavian defeat troops under Mark Antony and Cleopatra. 1192 – The Treaty of Jaffa is signed between Richard I of England and Saladin, leading to the end of the Third Crusade.
1787January 9 – The North Carolina General Assembly authorizes nine commissioners to purchase of land for the seat of Chatham County. The town is named Pittsborough (later shortened to Pittsboro), for William Pitt the Younger. January 11 – William Herschel discovers Titania and Oberon, two moons of Uranus. January 19 – Mozart's Symphony No. 38 is premièred in Prague. February 2 – Arthur St. Clair of Pennsylvania is chosen as the new President of the Congress of the Confederation. February 4 – Shays' Rebellion in Massachusetts fails.
MarchMarch is the third month of the year in both the Julian and Gregorian calendars. It is the second of seven months to have a length of 31 days. In the Northern Hemisphere, the meteorological beginning of spring occurs on the first day of March. The March equinox on the 20 or 21 marks the astronomical beginning of spring in the Northern Hemisphere and the beginning of autumn in the Southern Hemisphere, where September is the seasonal equivalent of the Northern Hemisphere's March.
1814January 1 – War of the Sixth Coalition – The Royal Prussian Army led by Gebhard Leberecht von Blücher crosses the Rhine. January 3 War of the Sixth Coalition – Siege of Cattaro: French garrison surrenders to the British after ten days of bombardment. War of the Sixth Coalition – Siege of Metz: Allied armies lay siege to the French city and fortress of Metz. January 5 – Mexican War of Independence – Battle of Puruarán: Spanish Royalists defeat Mexican Rebels.
1799January 9 – British Prime Minister William Pitt the Younger introduces an income tax of two shillings to the pound, to raise funds for Great Britain's war effort in the French Revolutionary Wars. January 17 – Maltese patriot Dun Mikiel Xerri, along with a number of other patriots, is executed. January 21 – The Parthenopean Republic is established in Naples by French General Jean Étienne Championnet; King Ferdinand I of the Two Sicilies flees.