The cornerstone for the White House, the official office and home of every U.S. president and first lady since 1800 (when John and Abigail Adams moved in near the end of his term), was laid this day in 1792.
| 1988: | | The archbishop of Turin, Italy, announced that carbon-14 dating indicated that the Shroud of Turin dates only to the Middle Ages, though the origins of the shroud remain controversial. |
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| 1977: | | Palestinians hijacked a Lufthansa airliner to Somalia and demanded the release of imprisoned Red Army Faction members. |
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| 1943: | | Italy declared war on Nazi Germany. |
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| 1843: | | B'nai B'rith, the oldest and largest Jewish service organization in the world, was founded in New York City. |
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| 1775: | | The Second Continental Congress established the Continental Navy to aid the Continental Army during the American Revolution. |
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