April 30 
Tax Freedom Day® falls on April 30 in 2007. 1777: German mathematician and experimenter in magnetism Carl Friedrich Gauss was born. 1897: J.J. Thomson first announced the existence of electrons at the Royal Institution Friday Evening Discourse. 1900: Famous railway engineer Casey Jones met his end in a collision with another train crossing his track. 1945: As Russian troops approached his Berlin bunker, Adolf Hitler committed suicide along with his wife of one day, Eva Braun. 1955: Mendelevium, element 101, was announced. 1964: The FCC ruled that all TV receivers should be equipped to receive both VHF (channels 2-13) and the new UHF (channels 14-83). 1975: The Vietnam War ended when the government in Saigon announced its unconditional surrender to the Vietcong - a slaughter ensued thereafter. 1997: London's Big Ben ground to a halt for hours. 2001: California businessman Dennis Tito arrived at the international space station aboard a Russian spacecraft. |