Oktav
The Oktav or Muttergottesoktav (German for Octave of the Mother of God) is a religious double-octave celebrated in honour of the Blessed Virgin Mary as one of the oldest and major annual religious celebrations of the Grand-Duchy of Luxembourg. It starts on the 3rd Sunday after Easter and closes with the Octave Procession on the 5th Sunday after Easter during the Month of Mary.