A.D. 1978 May 21–27
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday, May 21
- Trinity Sunday
- Helena, Mother of Constantine, Protector of the Holy Places, 330
Monday, May 22
- The Monday in the First Week After Pentecost
Tuesday, May 23
- The Tuesday in the First Week After Pentecost
Wednesday, May 24
- The Wednesday in the First Week After Pentecost
- Jackson Kemper, First Missionary Bishop in the United States, 1870
Thursday, May 25
- The Thursday in the First Week After Pentecost
- Bede the Venerable, Priest and Monk of Jarrow, Teacher of the Faith, 735
Friday, May 26
- The Friday in the First Week After Pentecost
- Augustine, First Archbishop of Canterbury and Missionary, 605
Saturday, May 27
- The Saturday in the First Week After Pentecost
- John Calvin, Reformer of the Church, 1564