Christianfeast day:
Mansuetus of Toul, Marinus, Pope Gregory I, Remaclus, Prudence Crandall(Episcopal Church (USA)), September 3 (Eastern Orthodox liturgics)
A Christian feast day honoring saints Mansuetus of Toul, Marinus, Pope Gregory I, Remaclus, and educator Prudence Crandall in Eastern Orthodox and Episcopal traditions.
On September 3 the Christian calendar marks a feast day for multiple saints across both Eastern Orthodox and Anglican traditions. The Eastern Orthodox Church commemorates Bishop Mansuetus of Toul, Marinus the hermit, Pope Gregory I, and Abbot Remaclus. The Episcopal Church in the USA observes the life of Prudence Crandall, a pioneering educator and advocate for women's rights. Worship services include liturgy, scripture readings, hymns, and prayers that reflect on each individual's contributions to faith and society. This observance highlights the rich spiritual heritage shared by diverse Christian communities and inspires reflection on their enduring legacies.
feast day
Mansuetus of Toul
Marinus
Pope Gregory I
Remaclus
Prudence Crandall
Episcopal Church (USA)
September 3 (Eastern Orthodox liturgics)
China'svictory over Japancommemoration related observances:
Armed Forces Day (Republic of China), V-J Day(People's Republic of China)
Commemorative observances in China mark the victory over Japan in World War II with Armed Forces Day in the Republic of China and V-J Day in the People’s Republic of China.
September 3 is the anniversary of China's victory over Japan in 1945, ending years of conflict during the Second Sino-Japanese War. In the Republic of China (Taiwan) it is observed as Armed Forces Day to honor military service and sacrifice. In the People's Republic of China it is known as V-J Day, commemorating Japan's formal surrender. Ceremonies include military parades, flag-raising events, wreath-laying, and memorial services. The day serves as a reminder of national resilience and the importance of peace and remembrance in Chinese society.
victory over Japan
Armed Forces Day (Republic of China)
V-J Day
People's Republic of China
Feast of San Marino and the Republic, celebrates the foundation of theRepublic of San Marinoin 301.
San Marino's national feast day celebrates the legendary foundation of the world’s oldest republic in the year 301.
On September 3 San Marino observes its national feast day, commemorating its founding by Saint Marinus in 301 A.D. According to tradition, Marinus established a small Christian community on Mount Titano, which grew into the republic. Festivities include colorful parades, traditional music, folk dances, and the raising of the national flag. Citizens and visitors gather in historic squares to enjoy local cuisine, craft markets, and cultural performances. The celebration honors San Marino's enduring independence and rich heritage as the world's oldest surviving republic.
Feast of San Marino and the Republic
Republic of San Marino
Flag Day (Australia)
Australia’s Flag Day commemorates the first raising of the national flag on September 3, 1901.
Flag Day is observed annually on September 3 to mark the first time the Australian national flag was hoisted in Brisbane in 1901. The flag design was selected through a public competition following the federation of the Australian colonies. Ceremonies across the country feature flag-raising, parades, and educational programs on flag etiquette. Communities are encouraged to display the flag on buildings, homes, and public spaces. The day fosters national pride and reflects on Australia’s unity and identity under its symbolic banner.
Flag Day (Australia)
Independence Day, celebrates the second independence ofQatarfrom the United Kingdom in 1971.
Qatar National Day celebrates the country’s declaration of independence from the United Kingdom on September 3, 1971.
September 3 is Qatar National Day, marking the formal end of British protectorate status in 1971. The holiday honors the leadership of Sheikh Jassim bin Mohammed Al Thani and the nation’s journey to sovereignty. Festivities include grand parades, spectacular fireworks, cultural performances, and traditional dances. Public buildings and landmarks are illuminated in Qatar’s national colors, and citizens display flags with pride. The day highlights Qatar’s rapid development, heritage, and unity as a sovereign state in the Gulf region.
Independence Day
Qatar
Levy Mwanawasa Day(Zambia)
Levy Mwanawasa Day honors the legacy and leadership of Zambia’s third president, celebrated on his birthday.
Observed on September 3 in Zambia, Levy Mwanawasa Day commemorates the birth of the nation’s third president. President Mwanawasa is remembered for his anti-corruption initiatives and efforts to strengthen democratic governance. The day features official ceremonies, wreath-laying at his memorial, and speeches by government officials. Schools and civil society organizations host seminars and exhibitions highlighting his vision for economic growth and social development. Zambians reflect on his contributions and renewal of commitment to transparency and the rule of law.
Levy Mwanawasa Day
Zambia
Merchant Navy Remembrance Day(Canada)
Canada’s Merchant Navy Remembrance Day pays tribute to civilian seafarers who served and died in wartime.
Observed on September 3, Merchant Navy Remembrance Day honors the Canadian merchant marine sailors who transported vital supplies during both World Wars. These civilian mariners faced dangerous conditions, including attacks by enemy submarines and mines. Ceremonies include wreath-laying at war memorials, church services, and moments of silence at sea. Veterans’ organizations, community groups, and government representatives gather to acknowledge their courage and sacrifice. The day serves as a reminder of the crucial role merchant seafarers played in supporting military operations and national defense.
Merchant Navy Remembrance Day
Canada
Merchant Navy Day(United Kingdom)
The UK’s Merchant Navy Day commemorates the service and sacrifice of British merchant seafarers in wartime.
Merchant Navy Day is held on September 3 each year to honor the civilian sailors of Britain’s Merchant Navy. These seafarers braved hostile waters to deliver essential goods during both World Wars and later conflicts. Nationwide ceremonies feature wreath-laying at national memorials, church services, and moments of reflection. Representatives from the government, maritime institutions, and veterans’ groups participate to pay their respects. The observance highlights the overlooked yet vital role of merchant mariners in sustaining war efforts and national security.
Merchant Navy Day
United Kingdom
National Welsh Rarebit Day(United States)
National Welsh Rarebit Day is a fun food holiday celebrating the cheesy comfort dish in the United States.
National Welsh Rarebit Day, observed on September 3 in the United States, honors the beloved dish of melted cheese seasoned with mustard, ale, and spices atop toast. Enthusiasts celebrate by preparing classic and creative rarebit recipes, hosting tasting gatherings, and sharing cooking tips on social media. Cafés and restaurants may feature special rarebit menus, showcasing regional variations and gourmet twists. The day encourages a spirit of culinary fun and community as friends and families enjoy this historic comfort food. It also highlights the influence of Welsh cuisine in American food culture.
National Welsh Rarebit Day
United States
Tokehega Day(Tokelau,New Zealand)
Tokehega Day commemorates the 1980 treaty defining the maritime boundary around Tokelau.
Tokehega Day, observed on September 3 in Tokelau, marks the signing of the Treaty of Tokehega in 1980 between New Zealand and the United States. The treaty established clear maritime boundaries around the Tokelau atolls, ensuring governance, resource management, and navigation rights. Local ceremonies feature speeches by community leaders, traditional songs, and cultural performances. Educational programs in schools focus on Tokelau’s history, marine conservation, and regional cooperation. The observance reinforces Tokelau’s identity and sovereignty within the Pacific and highlights the importance of peaceful international agreements.
Tokehega Day
Tokelau
New Zealand
Mansuetus of Toul
Feast day of Saint Mansuetus of Toul, the 4th-century bishop known for evangelizing the region of present-day France.
Saint Mansuetus of Toul served as bishop in the late 4th century, establishing the Christian community in the city of Toul.
Born in the early 300s, he dedicated his life to spreading the Christian faith amid the waning days of the Roman Empire.
He founded churches and monastic communities, helping to consolidate the Church's presence in northeastern Gaul.
His leadership and pastoral care provided stability and spiritual guidance during a time of social and political change.
The faithful commemorate his feast with liturgical services and prayers invoking his intercession.
His enduring legacy remains influential in the Diocese of Toul and beyond.
Mansuetus of Toul
Marinus
Commemoration of Saint Marinus, a Christian hermit and founder of what would become the Republic of San Marino.
Saint Marinus was a Christian stonemason who fled persecution in the 4th century and settled on Monte Titano.
His hermitage attracted followers, leading to the foundation of a monastic community that became the nucleus of San Marino.
Legend holds that Marinus miraculously funded the community by stamping coins from stones.
He died around 366 AD, and his followers continued to develop the small republic bearing his name.
His feast day celebrates faith, independence, and the enduring spirit of San Marino.
Pilgrims visit shrines dedicated to him and participate in local religious ceremonies.
Marinus