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  1. List of presidents of the United States | U.S. Presidents, Presidential ...

    As the head of the government of the United States, the president is arguably the most powerful government official in the world. The president is elected to a four-year term via an electoral …

  2. Tightrope, a Daily Trivia Game | Britannica

    A daily trivia game with 9 interesting questions. If you get three wrong…you lose. Question categories include science, arts, history, animals and math.

  3. Standing Rock protests | Summary, Violence, & Outcome | Britannica

    The Standing Rock protests were a campaign undertaken in North Dakota in 2016 and 2017 to halt the construction of the Dakota Access pipeline. Early resistance to the pipeline was …

  4. Rock and Roll Hall of Fame and Museum - Encyclopedia Britannica

    Jun 21, 2025 · Rock and Roll Hall of Fame and Museum, museum and hall of fame in Cleveland that celebrates the history and cultural significance of rock music and honors the contributions …

  5. Rock Hudson | Biography, Movies, AIDS, TV Shows, Death, & Facts ...

    Jun 21, 2025 · Rock Hudson, American actor noted for his good looks and movie roles during the 1950s and ’60s, including Magnificent Obsession, Giant, and Pillow Talk, and for the TV series …

  6. Name That Dinosaur! Quiz | Britannica

    Take this Science quiz at Encyclopaedia Britannica to test your knowledge of dinosaurs.

  7. Britannica Kids

    Britannica’s new platform provides content designed and written specifically for early learners. Creating a more engaging and fun learning experience for students, the activities in Britannica …

  8. Plymouth Rock | Geology, Legend, History, & Facts | Britannica

    Plymouth Rock, granite slab that rests on the coast of Plymouth Bay, an inlet of the Atlantic Ocean, in Plymouth, Massachusetts, said to be where the Pilgrim Fathers first set foot on …

  9. Rock - Mechanical Properties | Britannica

    May 12, 2025 · Rock - Mechanical Properties: When a stress σ (force per unit area) is applied to a material such as rock, the material experiences a change in dimension, volume, or shape. This …

  10. Rock, Massachusetts, Colony, Map, History, & Facts - Britannica

    Jun 11, 2025 · Plymouth, town (township), Plymouth county, southeastern Massachusetts, U.S. It was the site of the first permanent settlement by Europeans in New England, Plymouth colony. …