9th » The ultimately unsuccessful Colloquy at Poissy opens in an effort to reconcile Roman Catholicism in France known as French Catholics and Huguenots named Protestants.
10th » Battles of Kawanakajima e.g Fourth Battle of Kawanakajima Takeda Shingen defeats Uesugi Kenshin in the climax of their ongoing conflicts.
Famous Birthdays on September in 1561
10th » Hernando Arias de Saavedra, Paraguayan-Argentinian soldier and politician (d. 1634)
29th » Adriaan van Roomen, Flemish priest and mathematician (d. 1615)