October Revolution Day in Belarus commemorates the Bolshevik Revolution of 1917, which led to the establishment of Soviet power and the creation of the former USSR. Once one of the most significant holidays in the Soviet calendar, it remains a public holiday in Belarus, symbolizing historical continuity and respect for those who contributed to the country’s social and industrial development.

Sint Maarten’s Day commemorates both the naming of the island by Columbus in 1493 and honors Saint Martin of Tours. Today, it is a public holiday of unity, jointly celebrated by French Saint-Martin and Dutch Sint Maarten with ceremonies, cultural festivities, and community pride.

Canterbury Anniversary Day commemorates the arrival of the First Four Ships in 1850 and the founding of the Canterbury Province. Though linked to December 16, it is now observed on the Show Day in November, marked by agricultural fairs, community events and a regional holiday.

Republic Day in Brazil marks the 1889 proclamation that ended the monarchy and established the Federative Republic of Brazil. The day commemorates the peaceful military movement led by Marshal Deodoro da Fonseca, which ushered in a new era of republican governance. It is observed with civic ceremonies, parades, and educational events, honoring Brazil’s transition to a modern state grounded in citizenship, democracy, and national identity.

Freedom and Democracy Day in Slovakia commemorates both the 1939 student protests against Nazi occupation and the 1989 student-led Velvet Revolution, symbolizing the nation’s ongoing commitment to freedom, democracy, and civic courage.

Revolution Day in Mexico is to commemorate the start of the Mexican Revolution of 1910. This major social and political uprising began when Francisco I. Madero called for an end to the long dictatorship of Porfirio Díaz. The revolution brought significant reforms in land ownership, labor rights, and education, shaping modern Mexico. The day honors the revolution’s heroes and Mexico’s ongoing pursuit of justice, democracy and equality.

Black Consciousness Day in Brazil honors the history, culture and resilience of Afro-Brazilians. The date marks the death of Zumbi dos Palmares, a symbol of resistance against slavery. The day celebrates Black identity, acknowledges the struggles against racism, and promotes equality, pride and cultural heritage across Brazil.

Alphabet Day in Albania commemorates the 1908 Congress of Manastir, where Albanian scholars unified the Albanian alphabet, marking a key step in preserving national identity and cultural independence.

The 1949 Great March forced the restoration of the Virgin Islands' legislature in 1950, marking the rebirth of self-government. The holiday is celebrated as a day of unity, resilience and political awakening in the BVI.