Labour Day in Senegal is both a celebration of workers’ contributions and a platform for labor unions to demand reforms, marked by parades, speeches, and cultural events across the country.

Labour Day in Germany has shifted from a revolutionary workers' holiday to a Nazi propaganda tool, to Cold War symbol, and today a mix of peaceful demonstrations, political statements, and spring festivities. It remains one of the country’s most significant social and political holidays.

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.

Victory Day is a public holiday in Wallis and Futuna. It commemorates the Allied victory in Europe during World War II, marking the formal surrender of Nazi Germany on May 8, 1945. As a French overseas collectivity, Wallis and Futuna observes this day in alignment with France's national holiday.

Victory Day marks the defeat of Nazi Germany in 1945 and the end of the Great Patriotic War (the Eastern Front of World War II). In Tajikistan, as in other former Soviet republics, it is a deeply significant holiday that honors the sacrifices made by Tajik soldiers and civilians during World War II.

SPLA Day commemorates the 1983 founding of the SPLA, the rebel army that fought for South Sudan’s freedom, eventually leading to the country’s independence in 2011.

Galician Literature Day honors the Galician language and its literary tradition, first inspired by Rosalía de Castro’s Cantares Gallegos. Each year it highlights a different author, blending education, culture and civic pride to strengthen Galicia’s linguistic and cultural identity.

Somaliland Sovereignty Day commemorates May 18, 1991, when Somaliland declared itself independent after decades of hardship under Somali rule, reclaiming the short-lived sovereignty it first had in 1960. It is celebrated as a day of freedom, resilience and national pride.