ALL SAINTS CELEBRATED IN JUNE Saints celebrated on the 1st of June PETER OF CÎTEAUX, MONK At first, Peter was a disciple of the abbot Robert of Molesme , whence he entered the Cistercian monastery of Citeaux. There he distinguished himself particularly for his pious works. He is called "blessed" in the menology of the Order. (Information from Stadler's Complete Encyclopedia of Saints, Volume 4, Augsburg, 1875, p. 868) Stadler's Complete Encyclopedia of Saints - Sources and Abbreviations