1 October: International Day of Older Persons
2 October: International Day of Non-Violence
3 October (first Monday in October) World Habitat Day
5 October: World Teachers’ Day [UNESCO]
9 October: World Post Day
10 October: World Mental Health Day [WHO]
11 October: International Day of the Girl Child
13 October: International Day for Disaster Reduction
15 October: International Day of Rural Women
16 October: World Food Day [FAO]
17 October: International Day for the Eradication of Poverty
20 October: World Statistics Day
24 October: United Nations Day
24 October: World Development Information Day
27 October: World Day for Audiovisual Heritage
31 October: World Cities Day