Chakri Day, commemorating the establishment of theChakri dynasty. (Thailand)

Chakri Day is a Thai national holiday that commemorates the founding of the Chakri dynasty in 1782 by King Rama I.
Observed every April 6, Chakri Day honors the dynasty that has ruled Thailand since its establishment by King Rama I. Ceremonies are held at the Grand Palace and Wat Phra Kaew to pay respects to past monarchs, with wreath-laying and military parades. The event highlights the enduring traditions and cultural heritage of Thailand. Schools and public offices close to mark the occasion, allowing citizens to reflect on the monarchy's role in national history. The day strengthens national unity by celebrating centuries of royal continuity.
Chakri Day Chakri dynasty

Christianfeast day:

Albrecht DürerandLucas Cranach(Lutheran Church)., Brychan, Eutychius of Constantinople(Eastern Orthodox Church), Marcellinus of Carthage, Pope Sixtus I, April 6 (Eastern Orthodox liturgics)

A Christian liturgical observance on April 6 honoring various saints and historical figures across church traditions.
In the Lutheran Church, April 6 commemorates artists Albrecht Dürer and Lucas Cranach for their contributions to religious art and the Reformation. The Eastern Orthodox Church honors Eutychius of Constantinople and Marcellinus of Carthage, reflecting the deep historical roots of early Christianity. Pope Sixtus I, an early third-century pontiff, is remembered for his leadership and teachings. Services may include special readings, hymns, and art exhibitions highlighting these figures. The observance showcases the diversity of Christian traditions and the role of art, leadership, and scholarship in faith communities.
feast day Albrecht Dürer Lucas Cranach Lutheran Church Brychan Eutychius of Constantinople Eastern Orthodox Church Marcellinus of Carthage Pope Sixtus I April 6 (Eastern Orthodox liturgics)

International Day of Sport for Development and Peace

An annual United Nations observance promoting the role of sport in advancing development and peace.
Established by the United Nations in 2013, the International Day of Sport for Development and Peace is celebrated every April 6. It recognizes the power of sport to drive social change, foster tolerance, and build peaceful communities. Governments, NGOs, and communities worldwide organize events ranging from grassroots tournaments to educational workshops. The day underscores the importance of physical activity in achieving sustainable development goals and advocates for reconciliation in conflict-affected regions. Ambassadors, athletes, and youth leaders come together to highlight the transformative impact of sport on global well-being.
International Day of Sport for Development and Peace

National Fisherman Day(Indonesia)

National Fisherman Day in Indonesia celebrates the vital contributions of fishermen to the nation's economy and food security.
Each April 6, Indonesia observes National Fisherman Day to honor the work and dedication of its fishing communities. The day highlights the importance of fisheries to local and national economies, sustaining millions of livelihoods across coastal regions. Ceremonies, workshops, and exhibitions showcase traditional fishing techniques and marine conservation efforts. Government agencies and fishing cooperatives collaborate to improve safety standards and promote sustainable practices. Cultural performances and seafood festivals bring communities together in celebration. National Fisherman Day raises awareness about marine resources and supports policies for a healthier ocean ecosystem.
National Fisherman Day

New Beer's Eve(United States)

New Beer's Eve

Tartan Day(United States & Canada)

Tartan Day celebrates Scottish heritage in North America, marking the signing of the Declaration of Arbroath in 1320.
Observed annually on April 6, Tartan Day honors the contributions of Scottish immigrants and their descendants in the United States and Canada. The date commemorates the Declaration of Arbroath, a 1320 letter asserting Scotland's independence. Parades, Highland games, and cultural festivals showcase traditional music, dance, and the wearing of tartan attire. Clan gatherings bring families together to celebrate shared heritage and history. The day fosters pride in Scottish culture and acknowledges its lasting influence on North American society.
Tartan Day

Waltzing Matilda Day(Australia)

Waltzing Matilda Day commemorates the creation of Australia's iconic folk song by Banjo Paterson.
Every April 6, Australians celebrate Waltzing Matilda Day to honor the famous bush ballad written by poet Banjo Paterson in 1895. Often referred to as the country's unofficial anthem, the song tells the tale of a swagman, a jumbuck, and life in the Outback. Folk music concerts, community singalongs, and poetry readings are held nationwide. Historical societies and museums host exhibitions on the song's origins and its cultural impact. The celebration highlights how a simple melody can capture the spirit of a nation and bring people together through shared tradition.
Waltzing Matilda Day

InternationalAsexualityDay

International Asexuality Day raises awareness of asexuality as a sexual orientation and promotes community visibility.
Established in 2010 by asexual activists, International Asexuality Day is observed on April 6 to educate the public about asexual identity. Community groups organize panel discussions, online campaigns, and social media events to share experiences and resources. The day challenges misconceptions and fosters inclusion by highlighting the diversity of human sexuality. It advocates for research, mental health support, and acceptance within broader society. Asexual individuals and allies come together to celebrate identity and encourage understanding across all orientations.
Asexuality

Albrecht DürerandLucas Cranach(Lutheran Church).

A Lutheran feast day honoring Renaissance artists Albrecht Dürer and Lucas Cranach.
Celebrated on April 6 in the Lutheran Church calendar, this feast day commemorates Albrecht Dürer and Lucas Cranach, two influential German Renaissance artists. Dürer is renowned for his woodcuts and engravings, while Cranach is celebrated for his portraits and influence at the court of Saxony. Services and art exhibitions often accompany the observance, highlighting their contributions to Christian art and the Reformation. The day reflects on the power of visual expression in faith and the enduring legacy of these masters in shaping Western art. Art historians, congregations, and enthusiasts mark the occasion with lectures and gallery visits.
Albrecht Dürer Lucas Cranach Lutheran Church

Brychan

A feast day honoring Saint Brychan, a legendary Welsh king and early Christian patron.
Observed on April 6 in certain Christian traditions, the feast of Saint Brychan celebrates the 5th-century Welsh king of Brycheiniog. Known for his piety and the fostering of monastic communities, Brychan's legacy includes a large family of children who became saints themselves. While historical records are limited, his life is venerated in Welsh churches and place names throughout the region. Services often feature readings and hymns recounting his virtues and charitable works. The day highlights the roots of Celtic Christianity and the enduring cultural heritage of Wales.
Brychan

Eutychius of Constantinople(Eastern Orthodox Church)

Commemorates Saint Eutychius of Constantinople, a 6th-century patriarch known for his theological leadership and defense of Chalcedonian orthodoxy.
Saint Eutychius served as Patriarch of Constantinople during the 6th century under Emperor Justinian I. Born around 512, he was a staunch defender of Chalcedonian orthodoxy and authored influential theological works. His firm opposition to monophysitism led to his exile, where he endured hardship before his eventual restoration. Celebrated on April 6, his feast day honors his resilience and doctrinal contributions. Orthodox Christians commemorate him through special hymns and readings that recall his enduring legacy.
Eutychius of Constantinople Eastern Orthodox Church

Marcellinus of Carthage

Honors Saint Marcellinus of Carthage, a courageous martyr who remained faithful during the Diocletian persecution.
Saint Marcellinus was a Christian martyr in Carthage during the Diocletian persecution in the early 4th century. He refused to renounce his faith despite brutal tortures and steadfastly upheld Christian beliefs. Tradition holds that he was beheaded for his courage, becoming a symbol of unwavering devotion. On April 6, his memory is honored with liturgical services and reflections on the power of faith. His story inspires believers to remain steadfast in the face of adversity.
Marcellinus of Carthage