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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.
Timeline of the American Civil Rights Movement
Korean War - U.S. Marines watch explosions of bombs dropped by Marine Vought F4U Corsair fighter bomber planes during the Battle of Chosin Reservoir, Korea, in December 1950. soldiers
Korean War Timeline
Gills of three old specimens of webcap fungus (Cortinarius) in Gloucestershire, South West England. toxic, fungi, poisonous mushroom
7 of the World’s Most Poisonous Mushrooms
World Data Locator Map: Australia
Is Australia an Island?
Vietnam War. U.S. President Lyndon B. Johnson awards the Distinguished Service Cross to First Lieutenant Marty A. Hammer, during a visit to military personnel, Cam Ranh Bay, South Vietnam, October 26, 1966. President Johnson
Vietnam War Timeline
The Castillo, a Toltec-style pyramid, rises 79 feet (24 meters) above the plaza at Chichen Itza in Yucatan state, Mexico. The pyramid was built after invaders conquered the ancient Maya city in the tenth century.
What’s Inside the Pyramid at Chichén Itzá?
Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,
Which Religion Is the Oldest?

smooth plain

Learn about this topic in these articles:

landscape of Mercury

  • Messenger: Mercury
    In Mercury: Character of the surface

    …some sparsely cratered regions called smooth plains, many of which surround the most prominent impact structure on Mercury, the immense impact basin known as Caloris, only half of which was in sunlight during the Mariner 10 encounters but which was fully revealed by Messenger during its first flyby of Mercury…

    Read More
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