Feb. 29, 1860 - The first electric tabulating machine was invented by Herman Hollerith.

Feb. 28, 1827 - The Baltimore & Ohio Railroad became the first railroad incorporated for commercial transportation of people and freight.

Feb. 27, 1922 - The U.S. Supreme Court upheld the 19th Amendment that guaranteed women the right to vote.

Feb. 26, 1870 - In New York, the first subway line was opened to the public.

Feb. 25, 1836 - Samuel Colt received a patent for a "revolving gun."

Feb. 24, 1980 - NBC premiered the TV movie "Harper Valley P.T.A."

Feb. 23, 1896 - The Tootsie Roll was introduced by Leo Hirshfield.

Feb. 22, 1885 - The Washington Monument was officially dedicated in Washington, DC.

Feb. 21, 1866 - Lucy B. Hobbs became the first woman to graduate from a dental school.

Feb. 20, 1962 - 1965 - Ranger 8 crashed on the moon after sending back thousands of pictures of its surface.

Feb. 19, 1985 - Cherry Coke was introduced by the Coca-Cola Company.

Feb. 18, 1977 - The space shuttle Enterprise went on its maiden "flight" sitting on top of a Boeing 747.

Feb. 17, 1968 - The Naismith Memorial Basketball Hall of Fame opened in Springfield, MA.

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Feb. 16, 1923 - Howard Carter unsealed the tomb of Egyptian Pharaoh Tutankhamen. He had originally found the tomb on November 4, 1922.

Feb. 15, 1764 - The city of St. Louis was established.

Feb. 14, 1876 - Alexander Graham Bell filed an application for a patent for the telephone.

Feb. 13, 1914 - The American Society of Composers, Authors and Publishers (known as ASCAP) was formed.

Feb. 12, 1915 - The cornerstone of the Lincoln Memorial was laid in Washington, DC.

Feb. 11, 1963 - The Beatles recorded "Twist & Shout" and "I Saw Her Standing There."

Feb. 10, 1863 - The fire extinguisher was patented by Alanson Crane.

Feb. 9, 1870 - The United States Weather Bureau was authorized by Congress. The bureau is officially known as the National Weather Service.

Feb. 8, 1910 - William D. Boyce incorporated the Boy Scouts of America.

Feb. 7, 1984 - Space shuttle astronauts Bruce McCandless II and Robert L. Stewart made the first untethered space walk.

Feb. 6, 1959 - The U.S., for the first time, successfully test-fired a Titan intercontinental ballistic missile from Cape Canaveral.

Feb. 5, 1900 - The U.S. and Britain signed the Hay-Pauncefote Treaty giving the U.S. the right to build a canal in Nicaragua.

Feb. 4, 1789 - Electors unanimously chose George Washington to be the first president of the United States.

Feb. 3, 1690 - The first paper money in America was issued by the Massachusetts colony.

Feb. 2, 1967 - The American Basketball Association was formed by representatives of the NBA.

Feb. 1, 1862 - "The Battle Hymn of the Republic," by Julia Ward Howe, was first published in the "Atlantic Monthly."