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.

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.