Corpus Christi, also known as the Solemnity of the Most Holy Body and Blood of Christ, is a significant feast in the Catholic Church that celebrates the Real Presence of Jesus Christ in the Eucharist. The name Corpus Christi is Latin for "Body of Christ".

St. John's Day holds cultural, religious, and historical significance, particularly in Quebec, Canada, where it is observed as a major holiday and an expression of Francophone pride and heritage.

The Feast of St. Peter and St. Paul honors the martyrdom of the Apostles Peter and Paul, two of the most significant figures in early Christianity. It is a solemn feast in both the Catholic and Orthodox Churches and is considered a Holy Day of Obligation in many Catholic regions.

Orangemen's Day, also known as The Twelfth, is a holiday celebrated by members of the Orange Order, a Protestant fraternal organization. The day commemorates the Battle of the Boyne, a significant historical event in Ireland.

Assumption Day is a major feast in Christianity that commemorates the Assumption of the Virgin Mary into Heaven. This day marks the belief that the Mother of Jesus, at the end of her earthly life, was taken body and soul into Heaven.

Assumption Day is a major feast in Christianity that commemorates the Assumption of the Virgin Mary into Heaven. This day marks the belief that the Mother of Jesus, at the end of her earthly life, was taken body and soul into Heaven.

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.