... escalate into street protests (Berlin is notoriously infamous for clashes between radicals and police on the night of May 1st). Conversely, some places host family festivals and fairs. In the former USSR countries, May 1st remains a holiday: in Ukraine, Belarus, and Central Asian countries, it is celebrated as Labor Day or Spring and Labor Day, sometimes with national features. Interestingly, in Kazakhstan, May 1st is now called the Day of Unity of the People of Kazakhstan—emphasizing interethnic harmony ...