On 31 August 1991, 10 days after the attempted coup in Moscow, Karimov declared Uzbekistan to be an independent republic, the second of the Central Asian republics to do so (after neighboring Kyrgyzstan); 1 September was declared Uzbekistan's Independence Day. The Uzbek Communist Party (UCP) changed its name to the People's Democratic Party of Uzbekistan (PDP). In the December 1991 presidential election, 86 percent of the public cast their votes for Karimov and 12.3 percent for his rival Muhammad Salih, chairman of the Erk (Freedom) Party.