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  2. Flag football - Wikipedia

    en.wikipedia.org/wiki/Flag_football

    Flag football is a variant of gridiron football (American football or Canadian football depending on location) where, instead of tackling players to the ground, the defensive team must remove a flag or flag belt from the ball carrier ("deflagging") to end a down. In flag football, contact is limited between players.

  3. Lighthouse - Wikipedia

    en.wikipedia.org/wiki/Lighthouse

    The minimum height is calculated by trigonometry (see Distance to the horizon) as =, where H is the height above water in feet, and D is the distance from the lighthouse to the horizon in nautical miles, the lighthouse range.

  4. Flag football has been aided to no end by the support of the financial behemoth that is the NFL. “They’ve got the full breadth of the NFL using their marketing horsepower,” said Reese.

  5. American football plays - Wikipedia

    en.wikipedia.org/wiki/American_football_plays

    In American football, a play is a close-to-the-ground plan of action or strategy used to move the ball down the field. A play begins at either the snap from the center or at kickoff. Most commonly, plays occur at the snap during a down. These plays range from basic to very intricate. Football players keep a record of these plays in a playbook. [1]

  6. Hash mark (sports) - Wikipedia

    en.wikipedia.org/wiki/Hash_mark_(sports)

    The college football standard, which was the previous standard in the NFL (1945–1971), is 40 feet apart, (20 yards from the sidelines) [2] introduced in 1993. [ 3 ] [ 4 ] Previously, the college width was the same as the high school standard (with the exception of Texas, which currently uses the current college width), at one-third of the ...

  7. History of lighthouses - Wikipedia

    en.wikipedia.org/wiki/History_of_lighthouses

    A century later, in the Late Middle Ages, a 40-foot (12 m) tower was built by Edward the Black Prince at Cordouan near the Gironde estuary. One hundred years later, in 1581, Henri III asked architect Louis de Foix to build a new one. [6] [7] Building the lighthouse took twenty-seven years and was finally completed in 1611. The tiered Cordouan ...

  8. Why do NFL referees wear stripes? - AOL

    www.aol.com/news/why-nfl-referees-wear-stripes...

    Zebras, piano keys, barcodes and referees are all members of the black and white stripe fraternity. Paul Lukas is the editor and founder of "Uni Watch," a site that tracks jersey trends in sports.

  9. Quiz Time! How Many Stars and Stripes Are on the American Flag?

    www.aol.com/lifestyle/know-many-stars-stripes...

    However, the Bennington Flag contains 13 stars and 13 stripes (to represent the colonies). The stars form an arch inside of a blue square at the top left corner of the flag, with the number "76 ...