May 31, 1935 20th Century Fox was founded after a merger of Fox Film Corporation and Twentieth Century Pictures.
Today is
World No Tobacco Day
(initiated by the WHO in 1987)
May 31, 1809
Franz Joseph Haydn (海顿),the Austrian composer, died at age 77.
His contributions to musical form have led him to be called"Father of the Symphony"（交响乐之父）。