Explosions of AP (a component in rocket fuel) at a PepCom AP plant in Henderson, Nevada. A section of the Mianus River bridge, a pin-and-hanger-bridge on Interstate 95 in Connecticut, collapsed dropping 4 vehicles into the river below. Ocean Ranger semi-submersible oil rig capsizes and sinks off the coast of Newfoundland killing all aboard. 1889 Johnstown Flood, killed 2,209 people, wiped the town off the map and was the worst 19th Century disaster in American history. Golfer Payne Stewart's private jet goes down for reasons still unknown.