On this Day May 30
2009 – The Black Eyed Peas enter their seventh week on top of the pop chart with “Boom Boom Pow.” The track holds at No. 1 for 12 weeks and goes on to capture a Grammy Award for Best Short Form Music Video.
1922 – Supreme Court Chief Justice and former President William Howard Taft dedicates the Lincoln Memorial in Washington, D.C. The Memorial was designed to heal national divisions caused by the Civil War. Yet for many, Lincoln’s promise of freedom remained incomplete. Over the next half century, the looming figure of Abraham Lincoln witnessed a number of events and demonstrations that reinforced the memorial’s importance as a symbolic space for civil rights movements.
1971 – The unmanned spacecraft Mariner 9 launches on a mission to gather scientific information from Mars. It circles the Red Planet twice each day for almost a year, photographing the surface and analyzing the atmosphere with infrared and ultraviolet instruments.
1990 – With the Soviet economy on the brink of collapse, Soviet leader Mikhail Gorbachev arrives in Washington, D.C., for three days of talks with President George H. W. Bush. The summit centers on the issue of Germany and its place in a changing Europe.