May 2017
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| 1 | Feast of St. Joseph the Worker |
 | National Day of Prayer |
| 3 | Feasts of St. Philip and James, Apostles |
| 4 | Anniversary of Kent State Massacre (1970) |
| 8 | World Red Cross and Red Crescent Day |
| 20 | Birthday of Franz Jägerstätter (1970-1943) a martyr for the faith, a conscientious objector, a husband and father of three. He was executed for his refusal to fight for Hitler. On June 1, 2007, Franz was recognized as a martyr by Pope Benedict XVI and beatified on October 26, 2007 in Linz, Austria. |
| 21 | World day for Cultural Diversity for Dialogue and Development |
| 22 | International Day of Biological Diversity |
| 24 | Day of Prayer for the Catholic Church in China |
| 25 | Africa Day |
| 29 | Ascension Thursday |
 | Birthday of John F. Kennedy (1917) |
| 31 | Feast of the Visitation of Mary to Elizabeth |
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