Pentecost Monday, also known as Whit Monday, is the day following Pentecost Sunday, celebrated by Christians to continue the commemoration of the descent of the Holy Spirit upon the Apostles. It is recognized in many parts of the world.

Orthodox Pentecost Monday is part of the Afterfeast of Pentecost, continuing the celebration of the descent of the Holy Spirit upon the Apostles. It is a day of significant liturgical and cultural importance in Eastern Orthodoxy, marked by prayers, traditions and community gatherings that honor the work of the Holy Spirit and the revelation of the Holy Trinity.

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.

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.

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.