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The Great Wall of China was built over 2,000 years ago, by Qin Shi Huangdi, the first emperor of China during the Qin (Ch'in) Dynasty (221 B.C - 206 B.C.). In Chinese the wall is called "Wan-Li Qang-Qeng" which means 10,000-Li Long Wall (10,000 Li = about 5,000 km).
The Leaning Tower of Pisa took 344 years to build, beginning in August 1173. It began to lean in 1178 once construction on the second floor had begun. The lean was due to one side sinking into the soft ground.
He did outstandingly well in physics and mathematics, but failed the non-science subjects, doing especially badly in French - so he was not accepted. So in that same year, he continued his studies at the Canton school in Aargau (also called Aarau).
When Walt Disney was in the process of creating Mickey Mouse, he suggested the name of his new character to be Mortimer Mouse. However, his wife, Lillian Disney, felt the name sounded too pompous, and suggested Mickey, instead.
The Great Banyan is a banyan tree (Ficus benghalensis) located in Acharya Jagadish Chandra Bose Indian Botanic Garden, Howrah, near Kolkata, India. It was the widest tree in the world[citationneeded] in terms of the area of the canopy and is estimated to be about 1200 to 1250 years old.