May

1 Yom Ha'Atzmaut - Jewish
4 National Day of Prayer USA - Interfaith
10 Visakha Puja - Buddha Day
12 Lailat al Bara'ah - Islam
14 Lag B/Omer - Jewish
25 Ascension of Jesus - All Christians
27 Ramadan begins - Islam
29 Ascension of Baha'u'llah - Baha'i
31-June 1 Shavout - Jewish