Event:
Surprise attack on Weteringschans Amsterdam, fails
More Notable Events on May 1:
1997 Toni Blair elected Prime Minister of U.K.
1989 Disney's MGM Studio theme park officially opens to public
1963 1st American, James Whittaker, conquers Mount Everest
1937 Franklin D. Roosevelt signs act of neutrality
1931 Empire State Building opens in New York City
