• At the fourth and most climactic Battle of Kawanakajima Japanese warlords Uesugi Kenshin and Takeda Shingen battle each other to yet another draw, with both sides losing more than half of their men in the battle.

These people were born in 1561:

• Italian composer Jacopo Peri, widely considered the inventor of opera.
• English mathemetician Henry Briggs, a pioneer of the concept of logarithms.

These people died in 1561:

• Turkman nobleman and poet Bairam Khan, assassinated by the son of a man he had killed in battle while traveling through Gujrat.

1560 - 1561 - 1562

17th century

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