May 31, 1870 - E.J. DeSemdt patented asphalt.

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May 30, 1922 - The Lincoln Memorial was dedicated in Washington, DC.

May 29, 2004 - The World War II Memorial, approved by the U.S. Congress in 1993, was dedicated on the National Mall in Washington, DC.

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May 29, 1790 - Rhode Island became the last of the original thirteen colonies to ratify the U.S. Constitution.

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May 28, 1928 - Chrysler Corporation merged with Dodge Brothers, Inc.

May 27, 1950 - Frank Sinatra made his TV debut on NBC's "Star-Spangled Review."

May 27, 1937 - The Golden Gate Bridge was opened to the public.

May 26, 1969 - The Apollo 10 astronauts returned to Earth after a successful eight-day dress rehearsal for the first manned moon landing.

May 25, 1787 - The Constitutional convention opened at Philadelphia with George Washington presiding.

May 24, 1830 - The first passenger railroad service in the U.S. began service.

May 23, 1785 - Benjamin Franklin wrote in a letter that he had invented bifocals.

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May 22, 1841 - Henry Kennedy received a patent for the first reclining chair.

May 20, 1830 - The fountain pen was patented by H.D. Hyde.

May 19, 1857 - The electric fire alarm system was patented by William F. Channing and Moses G. Farmer.

May 18, 1652 - A law was passed in Rhode Island which was the first to make slavery illegal in North America.

May 17, 1792 - The New York Stock Exchange was founded at 70 Wall Street by 24 brokers.

May 16, 1866 - The U.S. Congress authorized the first 5-cent piece to be minted.

May 15, 1862 - The U.S. Congress created the U.S. Department of Agriculture.

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May 14, 1985 - The first McDonald's restaurant became the first fast-food business museum. It is located in Des Plaines, Illinois.

May 14, 1853 - Gail Borden applied for a patent for condensed milk.

May 13, 1607 - Jamestown, Virginia, was settled as a colony of England.

May 13, 1967 - Mickey Mantle hit his 500th homerun.

May 12, 1847 - William Clayton invented the odometer.

May 12, 1965 - "Satisfaction" was recorded by The Rolling Stones.

May 11, 1910 - Glacier National Park in Montana was established.

May 10, 1924 - J. Edgar Hoover was appointed head of the Federal Bureau of Investigation.

May 10, 1773 - The English Parliament passed the Tea Act, which taxed all tea in the U.S. colonies.

May 9, 1916 - U.S. President Woodrow Wilson ordered the militias of Texas, New Mexico and Arizona to mobilize and serve on the Mexican border.

May 9, 1926 - Americans Richard Byrd and Floyd Bennett became the first men to fly an airplane over the North Pole.

May 8, 1794 - The United States Post Office was established.

May 7, 1955 - "Rock Around The Clock" was released by Bill Haley & His Comets.

May 7, 1847 - The AMA (American Medical Association) was founded in Philadelphia.

May 6, 1915 - Babe Ruth hit his first major league home run while playing for the Boston Red Sox.

May 6, 1840 - The first adhesive postage stamps went on sale in Great Britain.

May 5, 1847 - The AMA (American Medical Association) was organized in Philadelphia, PA.

May 4, 1976 - KISS performed their first concert in their hometown of New York City.

May 4, 1927 - The Academy of Motion Picture Arts and Sciences was founded.

May 3, 1921 - West Virginia imposed the first state sales tax.

May 2, 1974 - The filming of "Jaws" began in Martha's Vineyard, MA.

May 2, 1885 - "Good Housekeeping" was first published.

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May 1, 1486 - Christopher Columbus convinced Queen Isabella to fund an expedition to the West Indies.