How accurately is the Great Pyramid aligned?
The Great Pyramid's sides are aligned almost exactly with true north, south, east, and west, a stunning feat of precision for ancient engineers.
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- Was the Suez Canal ever closed?
“The Suez Canal was closed from 1967 to 1975.”
Reference: Encyclopaedia Britannica
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Does the Suez Canal have locks?
The Suez Canal opened in 1869 and has no locks, because the Mediterranean and Red Sea are at nearly the same level.
How did the Louisiana Purchase change the size of the US?
In 1803 the US bought the Louisiana Territory from France for about $15 million. The deal roughly doubled the size of the country.