Czech Republic First! (Czech: Česká republika na 1. místě!) was a mass public demonstration on 3 September 2022 in Wenceslas Square in Prague, expressing dissatisfaction with the government of Petr Fiala and the government's approach to the ongoing energy crisis, inflation, and the Russian invasion of Ukraine. According to police, about 70,000 people took part in the demonstration. A number of politicians and activists participated in the protest or expressed their support for the protesters.