1 ........ Beltane (Wicca)
2 .......... Golden Spike Day for Asian Americans (USA)
3 ......... Taue Matsuri (Shinto)
4 .......... Midori no hi (Japan)
5 .......... Cinco de Mayo (Mexico)
5 .......... Tango-no-Sekki also known as Kodomo no Hi (Hchildren's Day - Japan)
7 ........ Wesak (Buddha Day) (Buddhist)
8 ........ Second Passover (Jewish)
9 -16 ... National Deaf Awareness Week
10 ........ Mother's Day (USA)
12 ......... Lag B'Omer (Jewish)
16 ......... Azamat (Baha'i)
16 ........ Armed Forces Day (USA)
19-22 ... Aboriginal Awareness Week (Native American/ Canada)
20 ........ Shavot (Jewish) begins sundown the day prior
20 ........ Lalat al Qadr (Islam)
25 ......... Memorial Day (USA)
23 ........ Declaration of Bab (Baha'i)
21 ........ Ascension (Christian)
22 ........ Vat Savitri Vrat (Hindu)
23 ........ Ramadan Begins (Islam) Ends May 23
28 ......... Ascension (Orthodox Christian)
28 ........ Ascension of Bahai'u'llah (Baha'i)
31. ....... Penecost (Christian)