Y-Day
Proper noun
Meaning
Y-Day
(historical) 1 March 1946, the planned date for the Allied invasion of the Kantō Plain to conquer Tokyo in World War II (cancelled following Japan's unconditional surrender in September 1945).
Proper noun
Y-Day
(historical) 1 March 1946, the planned date for the Allied invasion of the Kantō Plain to conquer Tokyo in World War II (cancelled following Japan's unconditional surrender in September 1945).