Inter gravissimas was a papal bull issued by Pope Gregory XIII on 24 February 1582. The document, written in Latin, reformed the Julian calendar. The reform has conventionally come to be regarded as a
The first page of the papal bull Inter Gravissimas
Easter, also called Pasch, Pascha, Pascua, or Resurrection Sunday, is a Christian festival and cultural holiday commemorating the resurrection of Jesus from the dead, described in the Bible's New Test
Having destroyed the gates of Hell, Jesus Christ is depicted flanked by saints, raising Adam and Eve from their graves and trampling death. Fresco of the resurrection at The Chora (c. 1315)
A stained-glass window depicting the Passover Lamb, a concept integral to the foundation of Easter
The Last Supper (1495–1498). Mural, tempera on gesso, pitch and mastic, 700 x 880 cm (22.9 x 28.8 ft). In the Santa Maria delle Grazie Church, Milan, Italy, it is Leonardo da Vinci's dramatic interpretation of Jesus' last meal before death. The Last Supper celebrated by Jesus and his disciples. The early Christians, too, would have celebrated this meal to commemorate Jesus's death and subsequent resurrection.
A five-part Russian Orthodox icon depicting the Easter story. Eastern Orthodox Christians use a different computation for the date of Easter from the Western churches.