United States patent number 6,469 is for "buoying vessels over shoals." Granted on May 22, 1849, the concept involves equipping large boats with "india-rubber cloth, or another suitable waterproof ...

World-class museums and monuments. Historic neighbourhoods. Green escapes in the urban city. Washington, DC has no shortage ...

U.S. states seem to mark Presidents Day with as many different names and honors as there have been presidents.

Presidents Day is Monday, Feb. 17, 2025. The name Presidents Day became the unofficial name with the changing the date of the holiday, according to the National Archives. With the holiday moved to the ...