1777 – Lancaster, Pennsylvania becomes the capital of the United States for one day during the Revolutionary War after the Second Continental Congress evacuates Philadelphia to avoid invading British forces.
1908 – The first production of the Ford Model T automobile was completed in Detroit.
1954 – The Tonight Show made its television debut with host Steve Allen.
1964 – The Warren Commission report on the assassination of President John F. Kennedy was released. The report concluded there was no conspiracy and that Lee Harvey Oswald acted alone.
1979 – The United States Department of Education receives approval from Congress to become the 13th Cabinet agency.
