Labour Day in Belarus honors workers' contributions and the dignity of labour. The day is marked with festive parades, concerts and community gatherings, where people enjoy the arrival of spring, express solidarity, and celebrate social and economic achievements. Labour Day reflects both the historic spirit of workers’ unity and the modern joy of renewal and togetherness.

Labour Day in Belgium is a public holiday dedicated to honoring workers and the labour movement. The holiday recognizes the struggles and achievements of those who fought for fair working conditions and social progress. The day features union marches, political gatherings and community festivals, often accompanied by speeches and concerts. For many Belgians, it is also a cherished spring holiday.

Labour Day in Brazil honors workers and their contributions to the nation's progress. The holiday reflects both social achievements and ongoing struggles for workers' rights. Introduced in the late 19th century and officially recognized in 1925, it became a symbol of unity and labor solidarity.

Labour Day in Serbia is both a recognition of the international labor movement and a national holiday of rest and celebration, marked by family picnics, cultural events, and occasional union demonstrations.

The Day of Madrid commemorates the 1808 uprising, a pivotal moment when ordinary citizens resisted Napoleon’s occupation. Though suppressed, it became a lasting symbol of freedom and regional pride, and since 1983 it has also represented the autonomy of Madrid within Spain.

Constitution Day in Poland commemorates the adoption of the Polish Constitution of 1791, the first modern constitution in Europe and the second in the world after the United States. It symbolizes Poland's commitment to freedom, democracy, and national unity. Today, it is one of Poland's most important national holidays, marked by patriotic parades, concerts and ceremonies across the country.

Constitution Day commemorates the enforcement of Japan’s postwar Constitution of 1947, which established democracy, pacifism and the sovereignty of the people. The day encourages citizens to reflect on the meaning of democracy and peace in modern Japan. It is also part of Golden Week, a series of national holidays when museums, government buildings and cultural sites often hold special events and open houses.

The Early May Bank Holiday in Jersey marks the arrival of spring and offering islanders a well-earned break. Rooted in ancient May Day traditions and later tied to the workers' rights movement, it has evolved into a non-political holiday focused on rest, community, and enjoying Jersey's natural beauty. Many residents spend the long weekend outdoors—walking along beaches, attending local fairs, or welcoming the start of the summer season.