Simplify the following text for a Grade 7 native English-speaking person.
Original: Before a mutual solution could be devised , the mosque was destroyed by approximately 200,000 Hindu extremists on December 6 , 1992 as the mosque was built by Babur allegedly on the site of a previous Hindu temple marking the birthplace of Ram .
Simplified: Before a solution could be found , the mosque was destroyed by about 200,000 Hindus . It took place on 6 December 1992 .