2024
First observance
World Coding Day
UNESCO’s official World Coding Day page states that the Day was celebrated for the first time in 2024; the recurring date is 29 October.
Evergreen date guide
What is celebrated on October 29?
See the observances and verified observance-history milestones attached to October 29. 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.
2023
First observance
International Day of Care and Support
The International Labour Organization’s statement dated 29 October 2023 explicitly refers to the first International Day of Care and Support.
2004
First observance
World Psoriasis Day
IFPA timeline records first World Psoriasis Day in 2004 and campaign confirms October 29.
2003
First observance
National Indigenous Peoples Thanksgiving Day
The establishing proclamation designates October 29, 2003 and every year thereafter; the guide records this as the first designated occurrence.
1991
Institutional decision
National Day of Remembrance and Action on Violence Against Women
The Justice Laws version records royal assent on October 29, 1991.
1991
Later action
National Day of Remembrance and Action on Violence Against Women
Established December 6 each year throughout Canada under the statutory observance name.
1924
First observance
Republic Day
Government historical material states that the 1924 anniversary ceremony was organized by the state.
Curated global anchors
See the collection →Major global guides on October 29
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
International Day of Care and Support
A/RES/77/317
Reviewed depth
Other in-depth guides on October 29
Source-backedFixed AnnualIn-depth guide
ARPANET first-message anniversary
DARPA and UCLA document the first host-to-host ARPANET message on October 29, 1969. “National Internet Day” is retained only as a search/legacy alias for this historical anniversary, not as…
Source-backedFixed AnnualIn-depth guide
National Cat Day
Founder Colleen Paige’s current holiday list places National Cat Day on October 29; U.S. public institutions also recognize the date in programming and resolutions.
Source-backedFixed AnnualIn-depth guide
National Indigenous Peoples Thanksgiving Day
Philippine Proclamation No. 486, s. 2003 declares October 29, 2003 and every year thereafter as National Indigenous Peoples Thanksgiving Day; the National Commission on Indigenous Peoples i…
Source-backedFixed AnnualIn-depth guide
Republic Day
Turkish government historical material verifies the 29 October 1923 proclamation; current Law No. 2429 defines October 29 as the National Holiday and the legal period from 13:00 on October…
Source-backedFixed AnnualIn-depth guide
World Coding Day
Designated by UNESCO Member States; first celebrated in 2024
Source-backedFixed AnnualIn-depth guide
World Psoriasis Day
International Federation of Psoriasis Associations (IFPA)
Explore the mix
All topics →Topics represented on October 29
7 observances
All observances on this date
Source-backedFixed AnnualIn-depth guide
ARPANET first-message anniversary
DARPA and UCLA document the first host-to-host ARPANET message on October 29, 1969. “National Internet Day” is retained only as a search/legacy alias for this historical anniversary, not as…
Source-backedFixed AnnualIn-depth guide
International Day of Care and Support
A/RES/77/317
Source-backedFixed AnnualIn-depth guide
National Cat Day
Founder Colleen Paige’s current holiday list places National Cat Day on October 29; U.S. public institutions also recognize the date in programming and resolutions.
Source-backedFixed AnnualIn-depth guide
National Indigenous Peoples Thanksgiving Day
Philippine Proclamation No. 486, s. 2003 declares October 29, 2003 and every year thereafter as National Indigenous Peoples Thanksgiving Day; the National Commission on Indigenous Peoples i…
Source-backedFixed AnnualIn-depth guide
Republic Day
Turkish government historical material verifies the 29 October 1923 proclamation; current Law No. 2429 defines October 29 as the National Holiday and the legal period from 13:00 on October…
Source-backedFixed AnnualIn-depth guide
World Coding Day
Designated by UNESCO Member States; first celebrated in 2024
Source-backedFixed AnnualIn-depth guide
World Psoriasis Day
International Federation of Psoriasis Associations (IFPA)
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 →