This is known by many names such as Eid al-Adha or Feast of the Sacrifice. It is a very holy Muslim holidays celebrated worldwide and it takes place in August. It honors the willingness of Ibrahim (Abraham) to sacrifice his son, as an act of obedience to God's command. Before Abraham sacrificed his son, God provided a male goat to sacrifice instead. - -This is an article in French PLUS questions that I made for my students to answer about this subject.