There were incidents of communal violence in 1980 and 1987 . 1992 , a large group of Hindu activists demolished the 16th-century Babri Mosque in the city of Ayodhya , which is claimed to be the site of Ram Janmabhoomi . The Ayodhya dispute triggered massive protests across the state as well as nationally and internationally
demolished
Demolition of the Babri Masjid
History of Uttar Pradesh