What is International Workers' Day?
When does International Workers' Day occur?
What is Labour Day?
Which country celebrates Workers' Day on 1 May?
When was Workers' Day established as a national public holiday in South Africa?
Which countries celebrate a workers' day on 1 May?
What is the history of Workers' Day celebration in Argentina?
When was Workers' Day first celebrated in Turkey?
What slogans are promoted during the Day of International Solidarity of Workers?
Why is May 1st chosen as International Workers' Day?
When was International Workers' Day declared a national public holiday in Libya?
When did Labor Day become an official federal holiday in the United States?
What is the official name of Labour Day in Austria?
What are the slogans of official events organized by the authorities during Spring and Labor Day?
What is the official name of Labour Day in Poland?