Christianfeast day:

Abibus of Edessa, Albert the Great, BlessedCaius of Korea, Didier of Cahors, Francis AsburyandGeorge Whitefield(Episcopal Church), Blessed Hugh Faringdon, Leopold III, apublic holidayinLower AustriaandVienna., Malo, Mechell, November 15 (Eastern Orthodox liturgics)

A liturgical celebration honoring multiple saints observed on November 15 in various Christian traditions.
On November 15, the Christian calendar commemorates saints such as Abibus of Edessa, Albert the Great, and Blessed Caius of Korea. The Episcopal Church also remembers Francis Asbury and George Whitefield. In Eastern Orthodox tradition, saints like Malo and Mechell are honored with special liturgies. In parts of Lower Austria and Vienna, the feast of Leopold III is observed as a public holiday. These celebrations include church services, processions, and cultural events reflecting local customs.
feast day Abibus of Edessa Albert the Great Blessed Caius of Korea Didier of Cahors Francis Asbury George Whitefield Episcopal Church Blessed Hugh Faringdon Leopold III public holiday Lower Austria Vienna Malo Mechell November 15 (Eastern Orthodox liturgics)

Day of the German-speaking Community of Belgium(German-speaking Community of Belgium)

The official celebration of the German-speaking Community of Belgium, showcasing its culture and heritage.
Observed on November 15, this day marks the cultural and political identity of Belgium’s German-speaking population. It commemorates the first session of the Council of the German-speaking Community in 1984. Festivities include concerts, exhibitions, and traditional performances across municipalities. Local leaders deliver speeches highlighting linguistic rights and regional autonomy. Schools and community centers host educational activities and cultural workshops. The celebration fosters unity and pride among community members.
Day of the German-speaking Community of Belgium German-speaking Community of Belgium

Independence Day, unilaterally declared in 1988. (Palestine)

Palestine observes this day to commemorate its unilateral declaration of independence in 1988.
On November 15, 1988, the Palestinian National Council proclaimed the establishment of the State of Palestine. The declaration was made in Algiers amid the First Intifada and sought international recognition. Commemorations include official ceremonies, cultural events, and lectures on Palestinian history. Citizens and diaspora communities reflect on themes of sovereignty and self-determination. While full diplomatic recognition remains contested, the day remains a symbol of national identity and aspiration.
Independence Day Palestine

King's Feast(Belgium)

Belgium’s annual feast day honoring the monarchy and the reigning king.
The King’s Feast, observed on November 15, is a public holiday in Belgium dedicated to the monarchy. It coincides with the feast of St. Leopold and celebrates the king’s role as head of state. Ceremonies include a Te Deum service in Brussels and official speeches by the sovereign. Government institutions and many businesses close for the day. The holiday reinforces national unity and respect for constitutional traditions. Belgian citizens mark the occasion with family gatherings and cultural activities.
King's Feast

Peace Day(Ivory Coast)

Ivory Coast’s national Peace Day commemorates the end of its civil conflict and promotes unity.
Peace Day in Ivory Coast is observed on November 15 each year to honor the ceasefire agreement that ended the Ivorian Civil War. The day features official ceremonies with government leaders and religious figures calling for reconciliation. Communities organize peace marches, cultural performances, and discussions on conflict resolution. Educational institutions hold programs teaching the values of tolerance and social cohesion. Peace Day reinforces ongoing efforts to heal divisions and build sustainable peace. It remains a symbol of hope and national solidarity.
Peace Day Ivory Coast

Republic Proclamation Day(Brazil)

A Brazilian public holiday marking the proclamation of the republic in 1889.
Republic Proclamation Day commemorates the end of the Brazilian Empire and the establishment of the republic on November 15, 1889. Military officers led a peaceful coup that deposed Emperor Pedro II and installed a provisional government. The day is celebrated with parades, flag-raising ceremonies, and official speeches. Educational programs explore the political and social transformations of the period. Many cities host reenactments and cultural festivals highlighting national history. The observance reinforces civic pride and reflection on Brazil’s democratic development.
Republic Proclamation Day

Republic Day(Northern Cyprus)

Republic Day commemorates the declaration of the Turkish Republic of Northern Cyprus on November 15, 1983. It is a day of national pride marked by official ceremonies and cultural events.
On November 15, 1983, the Turkish Republic of Northern Cyprus was proclaimed, following a period of political tension and conflict. Republic Day is celebrated annually with parades, flag-raising ceremonies, and speeches by political leaders. Cultural performances, concerts, and community gatherings emphasize the nation’s heritage and identity. Schools and government offices often hold special events to educate citizens about the history of Northern Cyprus. The day fosters national unity and reflects on the challenges and achievements of the young republic.
Republic Day

Leopold III, apublic holidayinLower AustriaandVienna.

Saint Leopold’s Day is a regional public holiday in Lower Austria and Vienna celebrating the feast of Leopold III, margrave and patron saint.
Saint Leopold III, also known as Leopold the Good, was the 12th-century Margrave of Austria famed for his piety, charitable works, and patronage of monastic foundations. He was canonized in the 13th century and is revered as the patron saint of Vienna and Austria. On November 15, Lower Austria and Vienna observe a public holiday featuring religious services, historical re-enactments, and cultural events. Local communities host processions, folk music performances, and exhibitions on medieval art and architecture. The day fosters regional pride, linking contemporary Austrians with their medieval heritage and spiritual traditions.
Leopold III public holiday Lower Austria Vienna