Event:
Ammunition plant at Fort Smederovo in Belgrade explodes; kills 1,500
More Notable Events on June 9:
1978 Gutenberg Bible, 1 of 21, sells for $2.4 million, London
1969 Warren Burger confirmed as U.S. Chief Justice
1963 John F. Kennedy names Winston Churchill U.S. honorary citizen
1943 U.S. income tax withholding paycheck deductions authorized
1883 1st commercial electric railway line begins operation in Chicago
