October-6

National German-American Day

October-6

Physician Assistant Day

October-9

Leif Erikson Day

October-11

National Coming Out Day

October-14

Peace Corps Birthday

October-15

Pregnancy and Infant Loss Remembrance Day

October-16

Boss Day

October-16

Dictionary Day

October-16

Ether Day

October-16

National Feral Cat Day

October-17

Black Poetry Day

October-18

Alaska Day

October-23

National Mole Day (Avogadro's number)

October-24

United Nations Day

October-27

Navy Day

October-31

Hallowe'en

October-31

National Magic Day (for Houdini)

October-31

Nevada Day

October-31

Reformation Day