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  1. Tennis | Rules, History, Prominent Players, & Facts | Britannica

    Nov 21, 2025 · Tennis, game in which two opposing players (singles) or pairs of players (doubles) use tautly strung rackets to hit a ball of a specified size, weight, and bounce over a net on a rectangular …

  2. Tennis Court Oath | Summary & Facts | Britannica

    Oct 21, 2025 · Tennis Court Oath, dramatic act of defiance on June 20, 1789, by the nonprivileged classes of the French nation at the beginning of the French Revolution.

  3. United States Electoral College Votes by State

    Every four years on the first Tuesday following the first Monday of November, voters head to the polls to elect the president of the United States. The votes of the public determine electors, who formally …

  4. Carlos Alcaraz | Age, Height, Jannik Sinner, Grand Slams, Parents ...

    4 days ago · Carlos Alcaraz (born May 5, 2003, El Palmar, Murcia, Spain) is a Spanish professional tennis player who in 2022, at age 19, became the youngest athlete in history to reach the top spot in …

  5. When Has the U.S. National Guard Been Deployed?

    1 day ago · The U.S. National Guard is a reserve group organized by the U.S. Army and U.S. Air Force. Units are typically called on by state governors or U.S. presidents during periods of civil unrest or …

  6. Career Grand Slam singles champions | Tennis & List | Britannica

    Tennis originally was known as lawn tennis, and formally still is in Britain, because it was played on grass courts by Victorian gentlemen and ladies. It is now played on a variety of surfaces.

  7. What Is the Open Era in Tennis? - Encyclopedia Britannica

    Oct 10, 2025 · In the sport of tennis, the term open era refers to the period—beginning in 1968 and continuing to the present day—in which both amateurs and professionals are allowed to compete in …

  8. list of cities and towns in the United Kingdom

    This is an alphabetically ordered list of cities and towns in the United Kingdom, arranged by constituent unit (England, Northern Ireland, Scotland, and Wales) and by administrative unit (unitary authority, …

  9. U.S. Abortion Rights by State - Encyclopedia Britannica

    Oct 7, 2025 · Beginning in 1973 with the U.S. Supreme Court ’s ruling in Roe v. Wade, Americans’ right to abortion was protected by a constitutional right to privacy. The Court reaffirmed this right in 1992 …

  10. Jannik Sinner | Height, Age, Carlos Alcaraz, Grand Slams, Nationality ...

    6 days ago · Jannik Sinner took up tennis at age 7, but for many years he was equally interested in football (soccer) and, especially, skiing; at 12 he was among Italy’s top giant slalom racers for his …