1616 – Galileo Galilei is formally banned by the Roman Catholic Church from teaching or defending the view that the earth orbits the sun.
1815 – Napoleon Bonaparte and 1,200 men left his exile on the Isle of Elba to start his 100-day campaign to regain France.
1919 – President Woodrow Wilson signs an act of Congress establishing the Grand Canyon National Park.
1929 – President Calvin Coolidge signs an executive order establishing Grand Teton National Park in Wyoming.
1993 – A truck bomb parked below the North Tower of the World Trade Center explodes, killing six and injuring over a thousand.
2012 – George Zimmerman, a neighborhood watch volunteer, shot and killed 17-year-old Trayvon Martin in Sanford, Fla.
