April 18 is:

Columnists Day

World Heritage Day

Amateur Radio Day

Piñata Day

Pet Owners Independence Day

Lineman Appreciation Day

Click on the date to find what special day it is:

April
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
					30	29
Special days on different dates