On June 3, 1989, Iran’s spiritual leader, Ayatollah Ruhollah Khomeini, died. Also: Chinese army troops began their sweep of Beijing to crush student-led pro-democracy demonstrations.
In 2004, President George W. Bush announced the resignation of CIA Director George Tenet amid a controversy over intelligence lapses about suspected weapons of mass destruction in Iraq and the September 11 terrorist attacks.
In 2008, Barack Obama claimed the Democratic presidential nomination, speaking in the same St. Paul, Minnesota, arena where Republicans would be holding their national convention in September 2008.
In 2010, BP sliced off a pipe with giant shears to make way for a cap in the latest bid to curtail the worst oil spill in U.S. history.
In 2016, heavyweight boxing champion Muhammad Ali died.