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Sudoku puzzles

Will We Ever Run Out of Sudoku Puzzles?

Advertising poster for the opening in Paris of "Montagnes Russes" (Russian Mountains), c. 1882-1888, by an anonymous artist; in the collection of the Musee Carnavalet, Paris, France. (graphic arts, posters, roller coasters)

Where Was the First Roller Coaster Invented?

Discover

Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd

Causes of the Great Depression

Two chicks near an egg with a white background (poultry, chick, chickens, birds).

What Do Eggs Have to Do with Easter?

Rural Irish landscape, Sligo, Ireland.

Why Is Ireland Two Countries?

Battle of the Alamo from "Texas: An Epitome of Texas History from the Filibustering and Revolutionary Eras to the Independence of the Republic, 1897. Texas Revolution, Texas revolt, Texas independence, Texas history.

6 Wars of Independence

Easter Procession of Maria Santisima del Sacromonte in Granada, Spain. This statue is known as Virgen de los Gitanos or The Virgin of the Gypsies.

What is Holy Week?

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?

illustration of the walking titanosaurus, Patagotitan mayorum

Titanosaurs: 8 of the World's Biggest Dinosaurs

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