This day is said to be a historic day for Japan and Sakamoto Ryoma, who risked his life for the birth of Modern Japan.
The day is synchronized with the foundation of Swiss bank UBS.
The day is the 700th year and 256,000th day anniversary of the resination of Fujiwara no Shigemichi from the post of Mutsu Azechi.
It is one of the 10 deadliest American tornadoes. 143 people were dead.
Gaikoku bugyo are commissioners to handle the foreign policy.
The day is the 100th anniversary of the death of Josephine de Beauharnais (including both ends).
The declaration ends the 240-year reign of the Shah dynasty.
The day is the 100th anniversary of the opening of the Yoyogi Drill And Parade Ground (Tokyo, Japan; May 18, 1909 in the Japanese calendar).