October 17 is:

International Day for the Eradication of Poverty

Playing Card Collection Day

Spreadsheet Day

Stone Bridge Day

Wear Something Gaudy Day

African Penguin Awareness Day

Paul Bert's (“Father of Aviation Medicine”) birthday

Astronaut Mae Jemison's birthday

Black Poetry Day

Mulligan Day

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

October
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
See also: Special days on different dates