Event:
Roger Hornsby sets NL home run mark at 42
More Notable Events on September 24:
1990 East Germany leaves Warsaw Pact
1990 Supreme Soviet gives approval to switch to free market
1982 U.S., Italian and French peacekeeping troops begin arriving in Lebanon
1979 CompuServe began operation as 1st computer information service
1960 USS Enterprise, 1st nuclear power aircraft carrier, launches
