What day of the week was September 10, 1561?

The day of the week September 10th, 1561 fell on was a Sunday.

Hernando Arias de Saavedra the Paraguayan-Argentinian soldier and politician (d. 1634) was born on 10 September in 1561.

Fourth Battle of Kawanakajima Takeda Shingen defeats Uesugi Kenshin in the climax of their ongoing conflicts.