2014
First observance
National Unity Day (Rashtriya Ekta Diwas)
The government announcement was made before October 31, 2014 and official Ministry of Home Affairs releases described nationwide programs scheduled for October 31, 2014.
Evergreen date guide
What is celebrated on October 31?
See the observances and verified observance-history milestones attached to October 31. Each observance keeps its own source and date details.
Verified history
Today in history →On this date in observance history
Selected observance milestones connected to this date, based on reviewed sources.
2003
Institutional decision
International Anti-Corruption Day
Exact action/adoption date of the establishing instrument in the reviewed institutional/legal source.
1947
Institutional decision
United Nations Day
UN Digital Library voting data records resolution 168 (II) as adopted on 31 October 1947.
1924
First observance
World Savings Day
WSBI identifies the Milan congress on that date as the event that established World Thrift Day, now World Savings Day.
Curated global anchors
See the collection →Major global guides on October 31
A reviewed starting point drawn from prominent global observances with strong institutional or organizer sources. Each observance keeps its own documented status and scope.
Source-backedFixed AnnualIn-depth guide
World Cities Day
A/RES/68/239
Reviewed depth
Other in-depth guides on October 31
Source-backedRule Based AnnualIn-depth guide
Hug a Sheep Day
Creator material documents the 2010 launch on 30 October, chosen for Punkin’s birthday, and the later change to the last Saturday in October so celebrations remain on a weekend.
Source-backedFixed AnnualIn-depth guide
Juliette Gordon Low’s Birthday / Founder’s Day
Girl Scouts materials identify 31 October, Juliette Gordon Low’s 1860 birthday, as Founder’s Day.
Source-backedFixed AnnualIn-depth guide
National Unity Day (Rashtriya Ekta Diwas)
Government of India / Ministry of Home Affairs announcements establish annual October 31 observance beginning in 2014 on Sardar Vallabhbhai Patel’s birth anniversary; a 2023 Gazette notific…
Source-backedFixed AnnualIn-depth guide
World Savings Day
WSBI traces World Savings Day to World Thrift Day established at the 1st International Thrift Congress in Milan on 31 October 1924 and says members continue to mark October 31; India docume…
Explore the mix
All topics →Topics represented on October 31
5 observances
All observances on this date
Source-backedRule Based AnnualIn-depth guide
Hug a Sheep Day
Creator material documents the 2010 launch on 30 October, chosen for Punkin’s birthday, and the later change to the last Saturday in October so celebrations remain on a weekend.
Source-backedFixed AnnualIn-depth guide
Juliette Gordon Low’s Birthday / Founder’s Day
Girl Scouts materials identify 31 October, Juliette Gordon Low’s 1860 birthday, as Founder’s Day.
Source-backedFixed AnnualIn-depth guide
National Unity Day (Rashtriya Ekta Diwas)
Government of India / Ministry of Home Affairs announcements establish annual October 31 observance beginning in 2014 on Sardar Vallabhbhai Patel’s birth anniversary; a 2023 Gazette notific…
Source-backedFixed AnnualIn-depth guide
World Cities Day
A/RES/68/239
Source-backedFixed AnnualIn-depth guide
World Savings Day
WSBI traces World Savings Day to World Thrift Day established at the 1st International Thrift Congress in Milan on 31 October 1924 and says members continue to mark October 31; India docume…
How dates are selected
This page combines fixed annual dates, reusable calendar rules and year-specific dates confirmed for 2026. Variable or historical dates are included only when they are clearly supported.
Read the methodology →