Event:
Germany begins "unrestricted" submarine war
More Notable Events on February 22:
1998 18th Winter Olympic games close at Nagano Japan
1935 Airplanes are no longer permitted to fly over the White House
1907 1st cabs with taxi meters begin operating in London
1903 Due to drought the U.S. side of Niagara Falls runs short of water
1821 Spain sells eastern Florida to United States for $5 million
