When did Christians begin celebrating saints feasts?
When did weekday Masses begin?” The old Catholic Encyclopedia (c. 1915) gives us the following nuggets of information in reply: (1) Saint “Justin himself [c. 150 A.D.] seems to be aware only of the Sunday celebration, but Tertullian [c. 200 A.D.] adds the fast days on Wednesday and Friday and the anniversaries of the martyrs … . As Tertullian calls the whole paschal season (until Pentcost) ‘one long feast,’ we may conclude with some justice that during this period the faithful not only communicated daily, but were also present at the Eucharistic Liturgy.” (2) “St Cyril of Jerusalem (d. 386) describes the liturgy of the Mass of his day as follows … ‘After the spritual Sacrifice, the unbloody service is completed; we pray to God, over this sacrifice of propitiation for the universal peace of the churches, for the proper guidance of the world, for the emperor, soldiers and companions, for the infirm and the sick, for those stricken with trouble, and in general for all in need of help
