What day of the week was October 21, 1600?

The day of the week October 21st, 1600 fell on was a Saturday.

Toda Katsushige the Japanese daimyo (b. 1557) died on this day in 1600.

Tokugawa Ieyasu defeats the leaders of rival Japanese clans in the Battle of Sekigahara the which marks the beginning of the Tokugawa shogunate that in effect rules Japan until the mid-nineteenth century.