“I cannot and will not be silent, watching how the pseudo-historical nonsense about the events of 100 years ago became an excuse for Russians to kill Ukrainians, and those, defending themselves, to kill Russians,” he wrote on Twitter.

“Putin is not Russia”, Mr Navalny added.

“We cannot wait any longer. Wherever you are, in Russia, Belarus or on the other side of the planet, go to the main square of your city every weekday and at 2pm on weekends and holidays.”