The Day of Extremadura evolved from a religious feast honoring the Virgin of Guadalupe (September 8) into an official regional holiday in 1985, symbolizing both the deep Catholic traditions of the land and its modern political and cultural identity.

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.

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 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.

Repentance and Prayer Day is a Christian observance focused on personal reflection and repentance of sins. It has its roots in Christian teachings and has been recognized historically in various countries, particularly in Germany and parts of Europe.