2026
Later action
National Pancake Day (IHOP)
IHOP designated the first Tuesday of March as the recurring annual date for its National Pancake Day, beginning with 3 March 2026.
Evergreen date guide
What is celebrated on February 23?
See the observances and verified observance-history milestones attached to February 23. 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.
2010
Institutional decision
International Day of Nowruz
The UN Digital Library records A/RES/64/253 as adopted without a vote at the 71st plenary meeting on 23 February 2010.
1984
First observance
Brunei Darussalam National Day
Brunei government archival material documents the National Day celebration on 23 February 1984, and later official anniversary counts are consistent with 1984 as the first celebra…
1970
First observance
Republic Day
Parliamentary proceedings label February 23, 1970 Republic Day, and DPI history records the Mashramani festival on that date as part of the new republic celebrations.
1922
Precursor
Defender of the Fatherland Day
The modern Russian Federation holiday inherited the February 23 date and military-commemoration tradition while later legal instruments changed the formal title and status.
Reviewed depth
Other in-depth guides on February 23
Source-backedFixed AnnualIn-depth guide
Brunei Darussalam National Day
Government of Brunei Darussalam official holiday calendar and 2026 National Day communications
Source-backedFixed AnnualIn-depth guide
Curling is Cool Day
Thomas and Ruth Roy’s first-party Wellcat Holidays calendar lists Curling is Cool Day on 23 February and identifies the Wellcat holiday collection as their creation. World Curling material…
Source-backedFixed AnnualIn-depth guide
Defender of the Fatherland Day
Official website of the President of Russia, current 2026 greeting
Source-backedFixed AnnualIn-depth guide
Diesel Engine Day
Lviv Polytechnic identifies 23 February as Diesel Engine Day and connects the date to Rudolf Diesel’s patent for the engine in 1893.
Source-backedFixed AnnualIn-depth guide
Emperor's Birthday
Japan’s Cabinet Office lists the Emperor’s Birthday as a national holiday on February 23 and explains that the holiday has existed under the National Holidays Act since 1948, with its date…
Source-backedFixed AnnualIn-depth guide
National Banana Bread Day
Two ANFP Wyoming chapter calendars list National Banana Bread Day on February 23.
Explore the mix
All topics →Topics represented on February 23
9 observances
All observances on this date
Source-backedFixed AnnualIn-depth guide
Brunei Darussalam National Day
Government of Brunei Darussalam official holiday calendar and 2026 National Day communications
Source-backedFixed AnnualIn-depth guide
Curling is Cool Day
Thomas and Ruth Roy’s first-party Wellcat Holidays calendar lists Curling is Cool Day on 23 February and identifies the Wellcat holiday collection as their creation. World Curling material…
Source-backedFixed AnnualIn-depth guide
Defender of the Fatherland Day
Official website of the President of Russia, current 2026 greeting
Source-backedFixed AnnualIn-depth guide
Diesel Engine Day
Lviv Polytechnic identifies 23 February as Diesel Engine Day and connects the date to Rudolf Diesel’s patent for the engine in 1893.
Source-backedFixed AnnualIn-depth guide
Emperor's Birthday
Japan’s Cabinet Office lists the Emperor’s Birthday as a national holiday on February 23 and explains that the holiday has existed under the National Holidays Act since 1948, with its date…
Source-backedFixed AnnualIn-depth guide
National Banana Bread Day
Two ANFP Wyoming chapter calendars list National Banana Bread Day on February 23.
Source-backedFixed AnnualIn-depth guide
National Hospitality Workers Appreciation Day
Turning Point Australia explicitly marks National Hospitality Workers Appreciation Day on February 23, while current calendar references use February 23 annually.
Source-backedFixed AnnualIn-depth guide
Republic Day
Guyana Parliament and Department of Public Information sources identify 23 February 1970 as the republic transition and document the first Mashramani celebration tied to Republic Day; curre…
Source-backedFixed AnnualIn-depth guide
World Peace and Understanding Day (Rotary usage) / Rotary anniversary
Rotary’s official blog identifies 23 February as Rotary’s anniversary date; Rotary club materials use World Peace and Understanding Day for 23 February each year.
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 →