1945-Senate approves U.S. participation in U.N.
1957-First edition of "Chase's Annual Events" published
1961-Tanganyika becomes the 104th member of the U.N.
1970-Unemployment in U.S. increases to 5.8 percent
1973 -John Cappelletti wins Heisman trophy
1982-China adopts its constitution
1983-U.S. jet fighters strike Syrian anti-aircraft positions in Lebanon
1985-French President Mitterrand receives Polish leader Jaruzelski
1991-Muslim Shiites release last U.S. hostage Terry Anderson (held 6½ years)
1991-Pan American World Airways ceased operations
1992-U.S. Troops land in Somalia