Event:
The U.S. asks China for a detailed account of the 1989 protests in Tiananmen Square
More Notable Events on June 1:
1991 Warsaw Pact officially dissolves
1971 Ed Sullivan's final TV show on CBS
1958 Charles de Gaulle elected premier of France
1936 Queen Mary completes its maiden voyage, arriving in New York
1869 Voting machine patented by Thomas A. Edison
