On October 2 (the old calendar), 1614, the Toyotomi family began to prepare for war, sending out circulars to daimyo and ronin who had been favored by the Toyotomi family.
慶長19年（1614年）10月2日(旧暦)、豊臣家では旧恩ある大名や浪人に檄を飛ばし戦争準備に着手した。