Apr 29, 1882
Ernst Werner von Siemens tests a demonstration “trackless trolley” in a Berlin suburb. The innovative device pulls electricity from overhead wires, but runs with road wheels, not on rails.
It was called a Electromote, the world’s first trolly bus.
Today is
International Dance Day
The day was established by the International Theatre Institute in commemoration of the birthday of Jean-Georges Noverre, the creator of modern ballet.
Apr 29, 1980
Alfred Joseph Hitchcock (希区柯克), the English filmmaker, "The Master of Suspense," died at age 81.