Defender of Ukraine Day honors all those who have defended Ukraine’s sovereignty, independence, and territorial integrity—including soldiers, veterans, volunteers, and civilians.

Tuvalu Day is the national day of Tuvalu that commemorates Tuvalu's independence from the United Kingdom in 1978 and marks the country's emergence as a sovereign nation and member of the Commonwealth. It is the most important public holiday in Tuvalu and a proud celebration of nationhood, culture and unity.

Foundation Day commemorates the legendary founding of Gojoseon by Dangun in 2333 BCE. Revived by Korean nationalists during Japanese rule and made a national holiday in 1949, it remains a day of pride, unity, and remembrance of Korea’s ancient origins.

German Unity Day commemorates the reunification of Germany in 1990, when the German Democratic Republic (East Germany) officially joined the Federal Republic of Germany (West Germany).

Republic Day in Portugal marks the establishment of the Portuguese Republic in 1910, ending over seven centuries of monarchy. The day commemorates the revolution that began in Lisbon and ushered in a new era of democracy, secularism and modern governance. Republic Day honors Portugal’s transition to a republican state and the enduring values of freedom, equality and civic participation.

The Mid-Autumn Festival (中秋节) is one of the most significant traditional Chinese festivals. The festival is marked by family reunions and enjoying mooncakes. It symbolizes thanksgiving and harvest celebration.

Labour Day in Australia is a public holiday that honours the achievements of workers and the labour movement, particularly the establishment of the eight-hour workday. The holiday is observed on different dates across Australian states and territories.

Independence Day in Uganda marks the day in 1962 when Uganda gained independence from British colonial rule, becoming a sovereign nation after nearly 70 years under British administration.

The Day of the Valencian Community commemorates both the 1238 conquest of Valencia by James I of Aragon and the region’s modern Statute of Autonomy (1982). It blends solemn civic traditions with festive customs such as the Mocadorà, making it both a patriotic and popular holiday.

Maroons Day in Suriname commemorates the 1760–1762 peace treaties between escaped enslaved Africans and the Dutch. Recognized as a national holiday since 2011, it celebrates the resilience and cultural heritage of Maroon communities, with festivals, music and remembrance of their struggle against slavery.

Referendum Day in Carinthia, Austria commemorates the 1920 plebiscite, when the people of southern Carinthia chose to remain part of Austria, shaping the state’s borders and cultural identity.

The Day of Catalonia originated as a remembrance of the 1714 defeat but has evolved into a powerful expression of Catalonia’s culture, history, and political struggle for autonomy or independence.

Spain’s National Day Spain’s National Day on October 12 marks the anniversary of Columbus’s 1492 voyage. Today, it symbolizes Spanish unity, culture, and global ties, though it also invites reflection on Spain’s colonial past.

Thanksgiving Day in Canada is a national holiday dedicated to giving thanks for the harvest and blessings of the past year. The day is marked by family gatherings, feasts, and expressions of gratitude.

Puerto Rico Friendship Day is celebrated in the U.S. Virgin Islands. This holiday was officially established in 1964 to honor the cultural, historical, and familial ties between Puerto Ricans and Virgin Islanders.

Evacuation Day in Tunisia commemorates the final withdrawal of French troops from Tunisian territory on October 15, 1963, marking the end of colonial military presence and the full realization of Tunisia's sovereignty.

Alaska Day is a state holiday in Alaska to commemorate the formal transfer of Alaska from Russian to U.S. ownership. This event marked the culmination of the Alaska Purchase and a significant milestone in American history.

1956 Revolution Memorial Day honors the nationwide uprising against Soviet rule. Marked by ceremonies, speeches and flag displays, it commemorates the courage of those who fought for freedom, democracy and national independence.

Hawke’s Bay Anniversary Day began in 1858 to mark the creation of the Hawke’s Bay Province. Although the provinces were abolished in 1876, the holiday survived as a regional public holiday.

Austria’s National Day originated from the 1955 Declaration of Neutrality, following the Austrian State Treaty that restored full independence. Since 1965, it has been celebrated as a public holiday, symbolizing peace, sovereignty and national unity.

Labour Day in New Zealand commemorates the establishment of the eight-hour workday led by Samuel Parnell in 1840, celebrates workers’ rights, and serves today as both a historical reminder and a springtime holiday.

Ochi Day in Greece commemorates Greece's defiant refusal of Italy's ultimatum in 1940, symbolizing national courage and resistance, celebrated with parades, flags and memorial ceremonies.

Republic Day is Turkey’s most important national holiday. It commemorates the official proclamation of the Republic of Turkey in 1923, following the collapse of the Ottoman Empire and the victory of the Turkish War of Independence.

Chung Yeung Festival, also known as the Double Ninth Festival, is a day for ancestor remembrance and family gatherings, when people visit ancestral graves to pay respects, make offerings, and hike to high places for good fortune and protection against misfortune.

Chung Yeung Festival, also known as the Double Ninth Festival, is a day for honoring ancestors and celebrating longevity. Families visit graves to offer incense, food and prayers, while others hike to scenic hills, following the tradition of climbing to ward off bad luck. The festival combines ancestor veneration and outdoor enjoyment, symbolizing remembrance, respect and renewal.

Nevada Day is an annual state holiday celebrated in Nevada to commemorate the state’s admission to the United States as the 36th state on October 31, 1864. The holiday is a celebration of Nevada’s history, culture, and heritage, featuring various community events and festivities.