  | May 2008 | |
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| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
| | | | 1 The Empire State Building officially opened in 1931. | 2 The Scottish newspaper Inverness Courier reported a sighting of the “Loch Ness Monster” in 1933, beginning a media and tourist frenzy. | 3 Lieutenant Colonel Joseph Fletcher and Lieutenant Colonel William Benedict piloted the first plane to land at the North Pole in 1952. |
4 A storm system of an estimated 76 tornadoes hit the Midwest on this day in 1999, killing 44 people. | 5 Cinco de Mayo is celebrated. | 6 Baseball player Willie Howard Mays Jr. was born in 1931. | 7 The American Medical Association was founded in 1847. | 8 Militant members of the American Indian Movement, who had occupied the town of Wounded Knee, South Dakota, for 70 days, surrendered to federal officials in 1973. | 9 President Wilson proclaimed the first national Mother’s Day in 1914. | 10 A ceremony marked the completion of the first transcontinental railroad in the United States in 1869. |
11 The first coins of Europe’s single currency, the euro, were produced in 1998. | 12 Poet Edward Lear was born in 1812. | 13 Mathematician Lazare Nicolas MarguĂ©rite Carnot was born in 1753. | 14 Lewis and Clark began their famous expedition to explore the American West in 1803. | 15 U.S. airmail began service in 1918. | 16 Congress voted to issue the five-cent nickel in 1866. | 17 Sue, the largest, most complete and best-preserved Tyrannosaurus rex fossil found to date, went on display at the Field Museum in Chicago in 2000. |
18 Mount St. Helens erupted in 1980. | 19 The U.S. Congress passed the Quota Act, which established national quotas for immigrants, in 1921. | 20 President Abraham Lincoln signed the Homestead Act in 1862. | 21 Pioneering fossil collector Mary Anning was born in 1799. | 22 Sir Arthur Conan Doyle, author of the Sherlock Holmes mysteries, was born in 1859. | 23 Captain William Kidd was hanged for piracy in 1701.
| 24 The Brooklyn Bridge was opened to traffic in 1883. |
25 Congress passed the first copyright law in 1790. | 26 The treaty resulting from the Strategic Arms Limitation Talks (SALT I) was signed by the United States and the Soviet Union in 1972. | 27 Industrialist Cornelius Vanderbilt was born in 1794. | 28 Addis Ababa, the capital of Ethiopia, fell to forces of the Ethiopian People’s Revolutionary Democratic Front in 1991. | 29 Edmund Hillary of New Zealand and Tenzing Norgay, a Sherpa of Nepal, became the first explorers to reach the summit of Mount Everest in 1953. | 30 Mariner 9 departed for Mars in 1971. | 31 Physicist Chien-Shiung Wu was born in 1912. |
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