On April 18, 2004, Karlen Simonyan, an ethnic Armenian, was attacked in Kostroma. Several young people poured gasoline on an 11-year-old boy and set him on fire. The adults, who arrived in time, managed to put out the burning clothes, and the child received only slight burns. Initially, the victim said that he was set on fire by "some guys who look like skinheads .

On April 18, 2004, two participants in an anti-fascist flash mob were attacked in Voronezh. Unidentified men, probably Nazis, pursued the victims from the place of the action to the street. F. Engels, after which they hit them several times and threatened with reprisals. Participants of the flash mob appealed to the Central District Department of Internal Affairs. Law enforcement officers advised them not to write a statement.

On April 18, 2004, anti-Nazi flash mob actions were held in Moscow, Vladimir, Voronezh Kaluga, Lipetsk, St. Petersburg, Krasnodar and several other Russian cities. In Voronezh, this action was supported by the International Network "Youth Human Rights Movement" and "Ecodefense!"-Voronezh. Flash mob participants threw torn swastikas at the monuments to the heroes of the Great Patriotic War as a sign of victory over the Nazis.