Event:
U-955, U-970, U-629, U-373 sink in Gulf of Biskaje
More Notable Events on June 6:
1988 3 giant turtles found in Bronx sewage plant
1980 Bjorn Borg beats John McEnroe for Wimbledon title
1978 Proposition 13 cuts California property taxes 57 percent
1944 D-Day: 150,000 Allied Expeditionary Force lands in Normandy, France
1664 New Amsterdam renamed New York City
