August 15

Holidays & Observances

Armed Forces Day (Poland)

Armed Forces Day in Poland honors the bravery and sacrifice of the Polish military. It marks the anniversary of the 1920 Battle of Warsaw during the Polish-Soviet War. The day is celebrated with parades, ceremonies, and military displays across the country.
Armed Forces Day in Poland, known as Święto Wojska Polskiego, is observed on August 15 each year to commemorate the decisive victory in the Battle of Warsaw in 1920. The holiday was established in 1992 and reflects Poland’s deep respect for its military traditions and history. Across major cities, especially in Warsaw, the day features large-scale military parades, air shows, and exhibitions of historical and modern military equipment. High-ranking officials, including the President and Defense Minister, attend ceremonies at military cemeteries and memorial sites to lay wreaths. Civilians also join in by honoring veterans, visiting military museums, and participating in patriotic events. Local units of the Polish Army often open their barracks to the public for guided tours and demonstrations. Schools and community organizations hold educational programs highlighting the role of the armed forces in maintaining national sovereignty. The day serves as a reminder of Poland’s resilience and the sacrifices made by its soldiers throughout history.
Armed Forces Day (Poland)

Christianfeast day:

Altfrid, Alypius of Thagaste, Feast day of theAssumption of Mary, one of theCatholicholy days of obligation(a public holiday inAustria,Belgium,Benin,Bosnia,Burundi,Cameroon,Chile,Colombia,Croatia,Cyprus,France, some states inGermany,Greece,Guatemala,Italy,Ivory Coast,Lebanon,Liechtenstein,Lithuania,Luxembourg,Madagascar,Malta,Mauritius,Paraguay,Poland,Portugal,Romania,Senegal,Seychelles,Slovenia,Spain,Switzerland,Togo, andVanuatu); and its related observances:Feast of theDormition of the Theotokos(Eastern Orthodox,Oriental OrthodoxandEastern Catholic Churches)Ferragosto(Italy)Lady's Day(Ireland)Māras(Latvia)Mother's Day(AntwerpandCosta Rica)National Acadian Day(Acadians)Navy Day(Romania)Virgin of Candelaria, patron of theCanary Islands. (Tenerife,Spain), San La Muerte(ParaguayanFolk Catholicism), Santa Muerte(MexicanFolk Catholicism), Tarcisius, August 15 (Eastern Orthodox liturgics)

A group of Christian observances held on August 15, most notably the Feast of the Assumption of Mary, celebrated across Catholic and Orthodox traditions. The day also honors saints like Altfrid, Alypius of Thagaste, and Tarcisius. In various cultures, it is known as Ferragosto in Italy and includes folk observances such as Santa Muerte in Mexico.
Christian feast days observed on August 15 encompass a rich tapestry of sacred and cultural celebrations around the world. The central observance is the Feast of the Assumption of Mary, one of the most important Catholic holy days of obligation and a public holiday in many countries, commemorating the Virgin Mary’s entry into heaven. Eastern Orthodox and Eastern Catholic Churches mark the Dormition of the Theotokos with solemn liturgies and processions honoring Mary’s dormitory. In Italy, the holiday is known as Ferragosto and blends religious devotion with summer festivities, while in Ireland it is sometimes called Lady’s Day. Other commemorations include the feast days of saints such as Altfrid of Hildesheim, Alypius of Thagaste, and young martyr Tarcisius. Folk traditions also play a role, from Latvia’s Māras harvest rites to Mexican folk devotions to Santa Muerte. In Acadian communities, National Acadian Day celebrates shared heritage, while Romania observes Navy Day in honor of the fleet. These varied observances illustrate the global spread and local adaptation of Christian liturgical and cultural practices on a single calendar date.
feast day Altfrid Alypius of Thagaste Assumption of Mary Catholic holy days of obligation Austria Belgium Benin Bosnia Burundi Cameroon Chile Colombia Croatia Cyprus France Germany Greece Guatemala Italy Ivory Coast Lebanon Liechtenstein Lithuania Luxembourg Madagascar Malta Mauritius Paraguay Poland Portugal Romania Senegal Seychelles Slovenia Spain Switzerland Togo Vanuatu Dormition of the Theotokos Eastern Orthodox Oriental Orthodox Eastern Catholic Churches Ferragosto Italy Lady's Day Ireland Māras Latvia Mother's Day Antwerp Costa Rica National Acadian Day Acadians Navy Day Romania Virgin of Candelaria Canary Islands Tenerife Spain San La Muerte Paraguayan Folk Catholicism Santa Muerte Folk Catholicism Tarcisius August 15 (Eastern Orthodox liturgics)

Constitution Day (Equatorial Guinea)

Constitution Day in Equatorial Guinea commemorates the adoption of the country's constitution. It celebrates the foundation of the nation’s legal and governmental framework. Citizens observe the day with official ceremonies and civic events.
Constitution Day in Equatorial Guinea is celebrated annually on August 15 to mark the referendum that approved the nation’s constitution. First adopted in 1982, the constitution established the legal basis for government institutions and citizens’ rights. The day is observed with speeches by government leaders, educational programs in schools, and exhibitions highlighting the country’s constitutional history. Public buildings are often adorned with flags and national symbols, and civic associations host debates and forums on constitutional matters. In Malabo and other cities, citizens participate in community gatherings, cultural performances, and theatrical reenactments of historic events. The holiday reinforces national unity and encourages public engagement with democratic governance. It offers an opportunity for citizens to reflect on the evolution of Equatorial Guinea’s political system. Constitution Day underscores the importance of law and the rule of law in strengthening the nation’s institutions.
Constitution Day (Equatorial Guinea)

Founding of Asunción(Paraguay)

The Founding of Asunción commemorates the establishment of Paraguay’s capital on August 15, 1537. It honors the arrival of Spanish explorer Juan de Salazar de Espinosa. The day celebrates Asunción’s role as one of South America’s oldest cities.
The Founding of Asunción marks the day in 1537 when Spanish explorer Juan de Salazar de Espinosa and his companions established a settlement along the Paraguay River. Originally called Nuestra Señora Santa María de la Asunción, the city quickly became a hub for trade, culture, and colonial administration. Today, Asunción is celebrated as the political, economic, and cultural heart of Paraguay. Festivities on August 15 include historical reenactments, guided tours of colonial-era architecture, and traditional music and dance performances. Local museums and cultural centers offer special exhibitions that explore the city’s Indigenous Guaraní heritage and colonial history. Residents and visitors gather at public plazas to enjoy parades, art fairs, and culinary events showcasing Paraguayan dishes. The anniversary offers an opportunity to reflect on Asunción’s growth from a modest frontier outpost to a vibrant modern metropolis. It remains a focal point of national pride and a testament to Paraguay’s rich historical tapestry.
Founding of Asunción Paraguay

Independence Day, celebrates the independence ofKoreafromJapanin 1945:

Gwangbokjeol, "Independence Day" (South Korea), Jogukhaebangui nal, "Fatherland Liberation Day" (North Korea)

Independence Day in Korea celebrates liberation from Japanese colonial rule on August 15, 1945. Known as Gwangbokjeol in South Korea and Jogukhaebangui nal in North Korea. The day is marked by patriotic ceremonies, flag-raising, and cultural events.
Independence Day on August 15 commemorates Korea’s liberation from 35 years of Japanese colonial rule at the end of World War II in 1945. In South Korea, it is called Gwangbokjeol, meaning “Restoration of Light Day,” and is celebrated with solemn flag-raising ceremonies, presidential addresses, and fireworks displays. Major landmarks such as Gwanghwamun Square in Seoul host cultural performances, concerts, and traditional music showcases. In North Korea, the holiday is observed as Jogukhaebangui nal with state-led events, parades, and speeches extolling national unity and socialist achievements. Across the peninsula and within the global Korean diaspora, communities commemorate the day with exhibitions on independence movements, educational programs, and wreath-laying at memorials. Schools and civic groups organize discussions on Korea’s modern history and the significance of self-determination. Families gather to remember their ancestors’ struggles and to celebrate the enduring spirit of the Korean people. Independence Day remains a cornerstone of national identity and a reminder of Korea’s resilience and hope for peaceful reunification.
Independence Day Korea Japan Gwangbokjeol South Korea Jogukhaebangui nal North Korea

Independence Day, celebrates the independence ofIndiafrom the United Kingdom in 1947.

India’s Independence Day on August 15 marks the end of British colonial rule in 1947. The day is celebrated with flag-hoisting ceremonies, parades, and cultural programs nationwide. It symbolizes India’s unity and democratic ideals.
India’s Independence Day is observed annually on August 15 to commemorate the country’s freedom from British rule in 1947. The main celebration takes place in New Delhi, where the Prime Minister hoists the national flag at the Red Fort and delivers an address to the nation. Across the country, state governors and local officials conduct flag-raising ceremonies, followed by cultural performances showcasing India’s diverse traditions. Schools, colleges, and community organizations host patriotic events, art competitions, and award ceremonies honoring contributions to society. The day is marked by the widespread illumination of buildings, public spaces, and landmarks in the tri-color of the Indian flag. Streets come alive with parades featuring marching bands, folk dancers, and displays of technological achievements and social initiatives. Citizens pay tribute to freedom fighters and reflect on the ideals of democracy, secularism, and social justice enshrined in India’s constitution. Independence Day fosters national pride and reinforces the spirit of unity in diversity that defines modern India.
Independence Day India

Independence Day, celebrates the independence of theRepublic of the Congofrom France in 1960.

Independence Day in the Republic of the Congo commemorates independence from France on August 15, 1960. The nation celebrates with official ceremonies, parades, and cultural performances. It highlights Congolese sovereignty and national pride.
Republic of the Congo Independence Day, observed on August 15, marks the nation’s declaration of independence from French colonial rule in 1960. Celebrations begin with a military parade in the capital, Brazzaville, featuring the armed forces, civil services, and youth organizations. Government officials and dignitaries attend flag-raising ceremonies and deliver speeches emphasizing national unity and development goals. Throughout the day, communities participate in folk dance performances, music concerts, and art exhibitions showcasing the rich cultural heritage of the Congo. Public squares are decorated with flags and banners, and traditional Congolese cuisine is enjoyed at communal feasts. Schools hold special assemblies and instruct students about the struggle for independence and the contributions of national heroes. Media broadcasts documentaries and programs reflecting on the country’s post-independence progress and challenges. The holiday fosters a sense of shared identity and optimism for the future of the nation.
Independence Day Republic of the Congo

National Day(Liechtenstein)

Liechtenstein’s National Day on August 15 celebrates the principality’s heritage and the feast of the Assumption of Mary. It features speeches by the Prince, fireworks, and community gatherings. The day honors national identity and unity.
Liechtenstein National Day is held on August 15 to coincide with the Catholic Feast of the Assumption of Mary, a tradition dating back to 1703. The celebration begins with citizens decorating their homes and businesses with the national flag in red and blue. In the capital, Vaduz, the reigning Prince and members of the Princely Family deliver an evening speech, followed by an open-air concert and a spectacular fireworks display. Local communities organize barbecues, folk dancing, and visits to historical sites, fostering a strong sense of local pride and togetherness. Schoolchildren often participate in art and essay competitions on national history and civic responsibility. Churches hold special services to honor the Assumption, blending religious observance with patriotic sentiment. The holiday underscores Liechtenstein’s unique blend of monarchy, tradition, and modern democratic governance. National Day offers residents an opportunity to celebrate their small but vibrant nation in the heart of Europe.
National Day Liechtenstein

National Day of Mourning (Bangladesh)

The National Day of Mourning in Bangladesh commemorates the assassination of the nation’s founding leader on August 15, 1975. It is a day of solemn remembrance and reflection. Citizens observe with memorial services and moments of silence.
Bangladesh’s National Day of Mourning is observed on August 15 to honor Sheikh Mujibur Rahman, the nation’s founding President, and his family, who were assassinated in 1975. Government buildings, public institutions, and homes lower their flags to half-mast as a mark of respect. Ceremonies are held at the Central Shaheed Minar and other memorial sites, where officials and citizens lay wreaths and offer prayers. Current leaders deliver speeches reflecting on Rahman’s contributions to Bangladesh’s independence and development. Educational programs, documentaries, and newspaper articles recount the political history surrounding the tragic events and their impact on national governance. Families of the martyrs receive state honors, and community organizations host discussions on the importance of unity and democratic values. The day serves both as a remembrance of national loss and a reaffirmation of commitments to peace and progress. Through quiet reflection and public homage, Bangladeshis pay tribute to the legacy of their founding leader.
National Day of Mourning (Bangladesh)

The first day ofFlooding of the Nile, orWafaa El-Nil(EgyptandCoptic Church)

Wafaa El-Nil, the first day of the Nile’s annual flooding, marks the start of the agricultural inundation season. It is celebrated by the Coptic Church and communities along the Nile. The festival honors the life-giving waters that sustain Egypt.
Wafaa El-Nil, observed on August 15, marks the traditional first day of the Nile River’s annual flood, a critical event for Egypt’s agriculture and cultural heritage. Ancient Egyptians depended on the inundation to deposit fertile silt along the banks, and modern communities continue to honor this life-sustaining tradition. The Coptic Orthodox Church commemorates the flood with special liturgies, prayers, and blessings for a bountiful harvest. Villagers and towns along the Nile hold processions, float decorative boats on the river, and perform folk dances to celebrate the ancient connection between the river and daily life. Scholars and local historians give talks on the historical importance of the Nilometer, an ancient measuring device used to forecast flood levels. Though modern irrigation systems have reduced reliance on natural flooding, Wafaa El-Nil remains a symbol of renewal and gratitude. The festival offers tourists an insight into Egypt’s enduring relationship with the Nile and provides a colorful glimpse of local customs. By blending religious observance with environmental appreciation, the day highlights the river’s role in sustaining Egyptian civilization throughout millennia.
Flooding of the Nile Egypt Coptic Church

The main day ofBon Festival(Japan), and its related observances:

Awa Dance Festival(Tokushima Prefecture)

Bon Festival's main day in Japan, featuring the famous Awa Dance in Tokushima where dancers celebrate ancestral spirits with vibrant music and movement.
Obon, or Bon Festival, is a Japanese Buddhist custom honoring the spirits of ancestors. It typically spans three days in mid-August, with August 15 being the main observance in many regions. In Tokushima Prefecture, the Awa Dance Festival (Awa Odori) transforms streets into a stage for rhythmic folk dances. Participants wear traditional yukata and straw hats, accompanied by shamisen, taiko drums, and flutes. The festival draws hundreds of thousands of visitors who join in parades and street performances late into the night. Obon traditions also include lantern offerings and toro nagashi (floating lanterns) to guide spirits back to the afterlife.
Bon Festival Japan Awa Dance Festival Tokushima Prefecture

Victory over Japan Day(United Kingdom), and its related observances:

End-of-war Memorial Day, when theNational Memorial Service for War Deadis held (Japan)

Victory over Japan Day marks Japan's surrender in World War II, commemorated with ceremonies in the UK and Japan.
Victory over Japan Day (VJ Day) on August 15 marks the end of World War II following Japan's formal surrender in 1945. The UK observes this day with ceremonies honoring Allied forces and civilian contributions during the conflict. In Japan, it coincides with End-of-War Memorial Day when the National Memorial Service for War Dead is held at Tokyo's Chidorigafuchi National Cemetery. Families and officials lay flowers and offer prayers for those who lost their lives in the war. The day serves as a moment of reflection on the devastation of war and a commitment to peace for future generations. Though no longer a national holiday in most countries, commemorations continue to connect communities to their wartime history.
Victory over Japan Day End-of-war Memorial Day National Memorial Service for War Dead Japan