Event:
NASA's Phoenix spacecraft lands in the polar region on Mars
More Notable Events on May 25:
1986 Hands Across America - 6 million people hold hands from California to New York
1962 U.S. unions AFL-CIO starts campaign for 35-hour work week
1961 John F. Kennedy sets goal of putting a man on Moon before the end of decade
1945 Arthur C. Clark proposes relay satellites in geosynchronous orbit
1935 Jesse Owens equals or breaks 6 world records in one hour
