Pope Gregory XIII in 1582 decided to standardize Christian holidays with the introduction of the Gregorian calendar, which put the birth of Jesus Christ as December 25. The Orthodox Church split ...

"Nowadays, the Julian calendar is perceived as connected ... The leader of the Orthodox Church of Ukraine bestowed blessings upon 12 icons painted on body armor plates that saved the lives of ...

the Ethiopian Calendar has many similarities to the Coptic calendar of the Coptic Orthodox Church of Alexandria, an Oriental Orthodox Christian church based in Egypt. Following a solar-lunar ...

The General Roman Calendar is the liturgical calendar of the Catholic Church, which denotes the dates of holy days and the feast days of saints commemorated annually. The memorial of St. Martha ...