Christianfeast day:

Charles Lowder(Church of England), Ciarán of Clonmacnoise, Frédéric Ozanam, Constance, Nun, and her Companions(Episcopal Church), Our Lady ofArantzazu(Oñati), Peter Claver, Synaxis of Ss.JoachimandAnna, anAfterfeast. (Eastern OrthodoxandEastern Catholic Churches), September 9 (Eastern Orthodox liturgics)

A religious feast day observed by various Christian denominations on September 9, commemorating saints and holy figures.
Christian feast day commemorating an array of saints and events in both Western and Eastern traditions. On this day, the Church of England honors Father Charles Lowder for his missionary work. The Episcopal Church remembers Constance, Nun, and her Companions for their faith and dedication. Eastern Orthodox and Eastern Catholic liturgics celebrate the Synaxis of Saints Joachim and Anna and the Afterfeast of the Nativity of the Theotokos. Devotion to Our Lady of Arantzazu in Oñati and the legacy of figures like Frédéric Ozanam and St. Peter Claver are also observed. The diversity of commemorations reflects the rich tapestry of Christian history across centuries and traditions.
feast day Charles Lowder Church of England Ciarán of Clonmacnoise Frédéric Ozanam Constance, Nun, and her Companions Episcopal Church Arantzazu Oñati Peter Claver Joachim Anna Afterfeast Eastern Orthodox Eastern Catholic Churches September 9 (Eastern Orthodox liturgics)

Armored Forces Day (Ukraine)

A day in Ukraine honoring the bravery and achievements of the nation's armored units.
Armored Forces Day is observed annually in Ukraine to honor soldiers serving in dedicated tank and armored units. It recognizes the courage and sacrifices of servicemen who operate armored vehicles in conflicts and peacekeeping missions. The celebration often includes public displays of historical and modern tanks and armored personnel carriers. Military parades and ceremonies at war memorials pay tribute to veterans and fallen heroes. Communities across the country join together, fostering patriotism and remembrance of Ukraine's defense history.
Armored Forces Day (Ukraine)

California Admission Day(California, United States)

A day marking the admission of California as the 31st state of the United States on September 9, 1850.
California Admission Day commemorates the date when California was officially admitted into the United States. First celebrated by civic leaders and schools, the day highlights the state's history and growth since 1850. Public events often include historical reenactments, educational programs, and celebrations of California's cultural diversity. Communities organize parades, art exhibits, and lectures on the Gold Rush era and statehood journey. The day reminds residents and visitors alike of California's unique identity and contributions to the nation.
California Admission Day California

Children's Day(Costa Rica)

A Costa Rican holiday dedicated to celebrating children, their rights, and well-being.
Children's Day in Costa Rica is an annual celebration focusing on the joy and importance of childhood. Schools and community centers host games, performances, and educational activities to engage young participants. Government and nonprofit organizations emphasize children's rights, health, and development programs. Families often spend quality time together, enjoying special meals and cultural events. This day fosters awareness of the needs and rights of children, promoting a safer and more nurturing society.
Children's Day Costa Rica

Chrysanthemum DayorKiku no Sekku(Japan)

A Japanese festival celebrating the chrysanthemum flower, symbolizing longevity and rejuvenation.
Chrysanthemum Day, known as Kiku no Sekku, is one of Japan's five traditional seasonal festivals. Originating from ancient Chinese customs, it honors the chrysanthemum as a symbol of longevity and nobility. Festivities include viewing colorful chrysanthemum displays at shrines and gardens across the country. Traditionally, people drink chrysanthemum-infused sake and pray for health and long life. The festival reflects Japan's deep appreciation for nature and its changing seasons.
Chrysanthemum Day

Day of the Victims of Holocaust and of Racial Violence(Slovakia)

A Slovak observance honoring victims of the Holocaust and other acts of racial violence.
Established by Slovak law, this day commemorates the suffering and loss experienced during the Holocaust. Memorial services, educational programs, and exhibitions are held to honor victims and survivors. Communities gather to remember the atrocities of racial violence and to promote tolerance. Schools participate in workshops to teach younger generations about the importance of human rights. The observance serves as a poignant reminder of the need for vigilance against hatred and discrimination.
Day of the Victims of Holocaust and of Racial Violence Slovakia

Emergency Services Day (United Kingdom)

A UK observance recognizing the dedication of firefighters, police, paramedics, and other emergency responders.
Emergency Services Day honors the bravery and sacrifices of those who respond to crises across the United Kingdom. Fire stations, police departments, and ambulance services open their doors to the public for demonstrations. Community events and fundraisers support organizations that aid emergency workers and their families. The day raises awareness of the vital role these professionals play in maintaining public safety. Tributes and social media campaigns highlight personal stories of heroism and service.
Emergency Services Day (United Kingdom)

Independence Day or Republic Day, celebrates the proclamation ofDemocratic People's Republic of Korea(North Korea) in 1948.

North Korea's national day marking the founding of the Democratic People's Republic of Korea in 1948.
Observed every September 9th, this day celebrates the establishment of North Korea in 1948. Mass parades, military drills, and cultural performances fill the streets of Pyongyang. Government leaders deliver speeches extolling national achievements and ideological unity. Public buildings and monuments are illuminated, and fireworks displays are held at night. The holiday reinforces state identity and honors the vision of the nation's founding leaders.
Independence Day or Republic Day Democratic People's Republic of Korea

Independence Day (Tajikistan), celebrates the independence ofTajikistanfromUSSRin 1991.

Tajikistan's national holiday commemorating its independence from the Soviet Union in 1991.
Independence Day in Tajikistan marks the declaration of sovereignty from the USSR on September 9, 1991. The capital, Dushanbe, hosts military parades, cultural festivals, and official ceremonies. Citizens enjoy concerts, folk performances, and exhibitions highlighting Tajik heritage. Government officials deliver patriotic speeches and award ceremonies recognize national contributors. Evening fireworks and street decorations create a festive atmosphere across the country.
Independence Day (Tajikistan) Tajikistan USSR

Martyrs' Day (Afghanistan)(date may fall on September 8, follows a non-Gregorian calendar, seeList of observances set by the Solar Hijri calendar)

A day in Afghanistan honoring those who lost their lives in service to their country.
Martyrs' Day is observed to pay tribute to Afghan soldiers and civilians who died for their nation. Ceremonies are held at war memorials and government institutions across the country. Families of the fallen receive support and recognition for their loved ones' sacrifices. The observance date may shift according to the Solar Hijri calendar, reflecting local traditions. This solemn holiday reinforces national unity and remembrance of the ultimate sacrifices made.
Martyrs' Day (Afghanistan) List of observances set by the Solar Hijri calendar

Remembrance for Herman the Cheruscan(The Troth)

An annual gathering organized by The Troth to honor Herman the Cheruscan, a revered figure in Heathen tradition.
The Troth, a modern Heathen organization, holds this remembrance to celebrate the legacy of Herman the Cheruscan, also known as Arminius. Participants gather for rituals, readings, and offerings that evoke ancient Germanic traditions. The event fosters a sense of community among practitioners of Germanic neopaganism. Attendees explore historical accounts of the Battle of the Teutoburg Forest and its significance for cultural identity. Workshops on ancestral heritage, Norse mythology, and Heathen ethics are common. The remembrance encourages reflection on leadership, courage, and the bonds of kinship that unite tribal societies.
Remembrance for Herman the Cheruscan The Troth

Charles Lowder(Church of England)

A feast day honoring Charles Lowder, an influential Anglican priest and social reformer.
Charles Lowder was a 19th-century Anglican priest known for his deep compassion and commitment to the poor of London's East End. He helped found the Anglo-Catholic movement in the Church of England and established mission churches that served working-class communities. Lowder's efforts at St Barnabas Church in Stepney included building schools, hospitals, and housing projects. His model of combining faith with practical social action inspired future generations of clergy. The feast day invites reflection on the power of faith-driven advocacy and community service. Worship services often feature readings on social justice and hymns associated with the Oxford Movement.
Charles Lowder Church of England