May 1 is:

International Workers' Day

Lei Day

Mother Goose Day

School Principals' Day

Executive Coaching Day

New Home Owners Day

Purebred Dog Day

Click on the date to find what special day it is  

May
7	6	5	4	3	2	1
14	13	12	11	10	9	8
21	20	19	18	17	16	15
28	27	26	25	24	23	22
				31	30	29
Special days on different dates