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the great pyramid of Pharaoh Khufu for example, took 100,000 slaves and 20 years to do it20-30 years to make the Egyptian pyramids.20 or more years
yes
Sequoyah definitely did not "build the Cherokee language". It was around for many hundreds of years before Sequoyah was born. Sequoyah came up with a written syllabry to be used for writing the language, based on the writing used in American books and newspapers.
About 20,000 people but 1,500 died building it because of dehidration.
the Titanic was built in 1909 until 1911
It took 14 years to build China's Forbidden City. Construction started in 1406 and was completed in 1420. The complex has 980 buildings.
14
14 years
10 years
10 years
The Templo Mayor in Tenochtitlan, which is present-day Mexico City, took approximately 200 years to build. It was continuously expanded and reconstructed by various Aztec emperors until the Spanish conquest in 1521.
to many years to count
three years
12
10 Years
it took 5 years
about 50-70 years