 Following the end of the Soviet Union, there has been an Islamic revival in Chechnya, and in 2011 it was estimated that there were 465 mosques, including the Akhmad Kadyrov Mosque in Grozny accommodating 10,000 worshipers, as well 31 madrasas, including an Islamic university named Kunta-haji and a Center of Islamic Medicine in Grozny which is the largest such institution in Europe.On 19 January 2015, 12 days after the Charlie Hebdo shooting, a march took place in Grozny against the publication of caricatures of the prophet Mohammed.The Chechen Ministry of Interior reported that more than a million people participated, while according to the sources of Caucasian Knot the number was between 350,000 and 500,000.