Our Lady of the Well-Appeared is a miraculous Marian devotion born in 17th-century Ampuero, later declared patroness of Cantabria by Pope Pius X in 1903. Her feast blends deep Catholic devotion with rich Cantabrian cultural traditions.

Our Lady of Sorrows represents Mary’s deep suffering alongside Christ, especially during his Passion. Her feast is a major Catholic celebration and a national holiday in Slovakia, where she is honored as the country’s Patroness.

Frances Xavier Cabrini Day is a state holiday in Colorado, established to honor the life and legacy of Saint Frances Xavier Cabrini, the first U.S. citizen to be canonized by the Catholic Church.

National Prayer Day in Zambia is officially called the National Day of Prayer, Fasting, Repentance, and Reconciliation. This solemn occasion invites Zambians to reflect, seek divine guidance, and promote unity and moral renewal as a nation.

Reformation Day commemorates the beginning of the Protestant Reformation. It marks the day in 1517 when Martin Luther, a German monk and theologian, is traditionally believed to have nailed his 95 Theses to the door of the Wittenberg Castle Church.

Thanksgiving Day in the Turks and Caicos Islands (TCI) is a public holiday that shares its date with the American Thanksgiving but is celebrated in a distinctly local and spiritual way, rooted in the islands' religious traditions, community values, and agricultural heritage.

All Saints' Day is a Christian holy day dedicated to honoring all saints, both known and unknown, who have attained Heaven. It is observed by the Roman Catholic Church, Eastern Orthodox Church, Anglican Communion, and many other Protestant denominations.

All Saints’ Day in Finland is a solemn day dedicated to honoring all saints and the memory of departed loved ones, marked by church services and the tradition of lighting candles on graves, which illuminate cemeteries across Finland during the dark autumn nights.

All Souls' Day is dedicated to praying for the souls of the faithful departed, particularly those in Purgatory, undergoing purification before entering Heaven. It is a significant day in the Catholic Church and other Christian traditions that honor the dead.

St. Martin's Day, also known as Martinmas, is celebrated on November 11 in honor of St. Martin of Tours, a 4th-century bishop and one of Christianity's most revered saints. It is widely observed in Europe and some parts of the world with a mix of religious and cultural traditions.

St. Leopold’s Day in Lower Austria is both a religious feast and a regional celebration, reflecting centuries of devotion to the margrave who shaped Austria's early history. The day highlights Lower Austria’s pride in its patron saint and keeps alive traditions that date back to the Middle Ages.