The leader of the Soviet-era Russian republic Boris Yeltsin (C), flanked by his chief of guard Alexander Korzhakov (L) holding a bulletproof shield, makes a speech during a funeral procession of the victims of the coup in Moscow on August 24, 1991, after the coup attemp failed. Russia marks on August 19-22, 2011, the 20th anniversary of the abortive 1991 coup against then Soviet president Mikhail Gorbachev. Tanks rolled through Moscow towards the Russian White House, where Boris Yeltsin, leader of the Soviet-era Russian republic at the time, gathered his supporters after denouncing the coup from the roof of a tank, which resulted later in the collapse of the Soviet empire.