Birthday ofC. G. E. Mannerheim,Marshal of Finlandand theflag flying dayof theFinnish Defence Forces(Finland)

Commemorates the birth of Finnish military leader C. G. E. Mannerheim and serves as a Finnish Defence Forces flag flying day.
Carl Gustav Emil Mannerheim, born on June 4, 1867, is celebrated as Finland’s most revered military leader and statesman. He served as Commander-in-Chief during the Finnish Civil War and later as President, guiding the nation through tumultuous periods. In Finland, his birthday is observed each year as a flag flying day by the Finnish Defence Forces and many citizens. Official ceremonies often take place at patriotic landmarks, including wreath-laying at monuments dedicated to his memory. Educational programs and exhibitions highlight his contributions to Finland’s independence and national identity. The day fosters national pride and remembrance of Finland’s journey to sovereignty.
C. G. E. Mannerheim Marshal of Finland flag flying day Finnish Defence Forces Finland

Emancipation DayorIndependence Day, commemorates the abolition ofserfdomin Tonga by KingGeorge Tupouin 1862, and the independence of Tonga from theBritish protectoratein 1970. (Tonga)

Tonga’s dual celebration of the abolition of serfdom in 1862 and its independence from British protection in 1970.
June 4th marks two pivotal moments in Tonga’s history: the 1862 decree by King George Tupou I abolishing serfdom and the 1970 declaration of Tonga’s full independence from British protection. King George Tupou I’s reforms laid the groundwork for modern governance and social equality in the kingdom. Independence Day commemorates Tonga’s emergence as the only Pacific nation never formally colonized, celebrating its cultural heritage and monarchy. Festivities include royal ceremonies, cultural performances, traditional dance, and community feasts across the islands. Schools and local organizations host educational events to teach younger generations about Tonga’s journey to freedom. The dual theme underscores themes of liberation, unity, and national pride.
Emancipation Day Independence Day serfdom George Tupou British protectorate Tonga

National Unity Day (Hungary)

Hungary’s day to celebrate unity among the Hungarian people across borders and to remember shared heritage.
National Unity Day in Hungary was established in 2010 to honor the solidarity of Hungarian communities divided by borders since the Treaty of Trianon. Observed on June 4th, it commemorates the shared history, culture, and language of Hungarians across Central Europe. Ceremonies include flag-raising, cultural festivals, and interfaith services promoting reconciliation and cooperation. Public institutions organize exhibitions, concerts, and lectures on Hungarian folk traditions and regional diversity. The day fosters a sense of togetherness and reflection on the country’s historical challenges and future aspirations. It serves as a reminder of the enduring bonds that unite Hungarian people worldwide.
National Unity Day (Hungary)

Day of state symbols in the Republic of Kazakhstan.

A day in Kazakhstan dedicated to celebrating and honoring the national symbols of Kazakhstan: flag, anthem, and coat of arms.
June 4th is the Day of State Symbols in Kazakhstan, celebrating the nation’s flag, emblem, and anthem. This holiday was established in 2007 to foster national identity and pride following Kazakhstan’s independence. Ceremonial flag hoistings occur in major cities, accompanied by performances of the national anthem and cultural programs. Educational institutions organize workshops and contests on the history and symbolism behind the tricolor flag and golden sun. Museums and community centers display exhibitions on the evolution of Kazakhstan’s symbols and their artistic heritage. The day highlights the unity and sovereignty of the Kazakh people, embracing both tradition and modernity.