Rock | Definition, History, Artists, Songs, & Facts | Britannica
6 days ago · Rock is a form of popular music that emerged in the 1950s and that by the end of the 20th century was the world’s dominant form of popular music. It originated in the United States …
Rock | Definition, Characteristics, Formation, Cycle, Classification ...
May 12, 2025 · Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and …
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 …
Rock, Massachusetts, Colony, Map, History, & Facts - Britannica
Jun 11, 2025 · Plymouth Rock, first identified in 1741, became a symbol of freedom in 1774 when it was split by being dragged to Liberty Pole Square in pre-Revolutionary agitation. It now rests …
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 honours the …
Rock - Pioneers, Genres, Legends | Britannica
6 days ago · Rock history can thus be organized around both the sound of cities (Philadelphia and Detroit, New York City and San Francisco, Liverpool and Manchester) and the spread of youth …
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 …
Rock - Social Change, Cultural Evolution, Music Revolution
6 days ago · Rock remains the most democratic of mass media—the only one in which voices from the margins of society can still be heard out loud. Yet, at the beginning of the 21st …
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 …
Geology | Definition, Examples, Rocks, Study, Importance, & Facts ...
May 27, 2025 · Today one of the principal concerns of mineralogy is the chemical analysis of the some 3,000 known minerals that are the chief constituents of the three different rock types: …
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