March 21 is:

Nowruz

World Down Syndrome Day

Single Parent's Day

International Fragrance Day

World Poetry Day

International Day of Forests

Memory Day

French Bread Day

Common Courtesy Day

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

March
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