Event:
Islanders score 5 power play goals against Flyers in a playoff
More Notable Events on May 17:
1983 Israel and Lebanon sign a peace treaty
1970 Thor Heyerdahl crosses Atlantic on reed raft
1948 Soviet Union recognized Israel
1884 Alaska becomes a U.S. territory
1883 Buffalo Bill Cody's 1st wild west show premieres in Omaha
