Passage: According to the UNESCO, the mountain is "the most complete example of a sacred mountain anywhere in Central Asia, worshipped over several millennia". The site is still a popular place for local Muslims, with stairs leading up to the highest peak where there stands a small mosque originally built by Babur in 1510. Much of the mosque was reconstructed in the late 20th century.

Question: When was the mosque at the top built by Babur?
1510