It is the 181st day of the year, with only 184 days remaining until the end of the year.
1520 - Spanish conquistadors led by Hernan Cortes fight their way out of Tenochtitlan.
1794 - Native American forces under Blue Jacket attack Fort Recovery.
1805 - Congress organizes the Michigan Territory.
1859 - French acrobat Charles Blondin crosses Niagara Falls on a tightrope.
1864 - President Abraham Lincoln grants Yosemite Valley to California for "public use, resort, and recreation."
1882 - Charles J. Guiteau is hanged in Washington, D.C. for the assassination of President James Garfield.
1905 - Albert Einstein publishes the article On the Electrodynamics of Moving Bodies, in which he introduces special relativity.
1906 - Congress passes the Meat Inspection Act and Pure Food and Drug Act.
1921 - President Warren G. Harding appoints former President William Howard Taft Chief Justice of the U.S.
1953 - The first Chevrolet Corvette rolls of the assembly line in Flint, Michigan.
1960 - Congo gains its independence from Belgium.
1971 - Ohio ratifies the Twenty-sixth Amendment to the Constitution, reducing the voting age to 18, thereby putting the amendment into effect.