October: Breast Cancer Awareness Month

October 1: International Coffee Day

October 2: International Day of Non-Violence

October 8: National Stop Bullying Day

October 10: World Mental Health Day

October 13: Native Americans' Day

October 16: Boss's Day 

October 21: Diwali

October 24: United Nations Day

October 28: National First Responders Day

October 31: Halloween

October 31: Samhain