2022
Later action
Heritage Day
Alberta’s current special-days framework states that special-day dates already recognized before the Act continue to be observed; Alberta Heritage Day remains listed on the first…
Evergreen date guide
What is celebrated on March 24?
See the observances and verified observance-history milestones attached to March 24. 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.
2021
Institutional decision
National Adverse Drug Event Awareness Day
ASP’s establishment announcement is dated March 24, 2021.
2011
First observance
International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims
The UN Secretary-General’s 2011 message describes that date as the first International Day.
1994
Institutional decision
Day of the Beginning of the Armed Struggle for National Liberation
The official Ministry page gives the decree number and date.
1994
First observance
National Cheesesteak Day
The four originators described the March 24, 1994 cheesesteak outing as the beginning of the tradition; the 1995 letter called the following gathering the second annual National C…
1982
Institutional decision
National Nurses Day
ANA dates its Board acknowledgment to February 1982; the presidential proclamation is dated March 24, 1982.
1982
First observance
World Tuberculosis Day
WHO records that 24 March has been known as World TB Day since 1982, marking the centenary of Robert Koch’s 1882 announcement.
1976
Precursor
National Day of Remembrance for Truth and Justice
The anniversary became the statutory date for national remembrance under Law 25.633.
Curated global anchors
See the collection →Major global guides on March 24
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 for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims
A/RES/65/196
Source-backedFixed AnnualIn-depth guide
World Tuberculosis Day
WHO observance
Reviewed depth
Other in-depth guides on March 24
Source-backedFixed AnnualIn-depth guide
Commonwealth Covenant Day
CNMI Office of the Registrar
Source-backedRule Based AnnualIn-depth guide
Diabetes Alert Day
Current American Diabetes Association material states that Diabetes Alert Day is a day set aside by the ADA, observed annually on the fourth Tuesday in March, and identifies March 24 for 20…
Source-backedFixed AnnualIn-depth guide
National Adverse Drug Event Awareness Day
The American Society of Pharmacovigilance (ASP) announced on March 24, 2021 that it was establishing March 24 as National Adverse Drug Event Awareness Day. ASP later described 2024 as the t…
Source-backedFixed AnnualIn-depth guide
National Cheesesteak Day
Direct interviews with the four originators trace the observance to a March 24, 1994 cheesesteak outing and a 1995 “second annual” National Cheesesteak Thursday letter; Philadelphia Interna…
Source-backedFixed AnnualIn-depth guide
National Chocolate-Covered Raisins Day
ANFP Wyoming and Wisconsin chapter calendars list National Chocolate-Covered Raisins Day on March 24.
Source-backedFixed AnnualIn-depth guide
National Day of Remembrance for Truth and Justice
Argentina’s Law 25.633 establishes March 24 as the National Day of Remembrance for Truth and Justice, while current official holiday law treats March 24 as a non-transferable national holid…
Explore the mix
All topics →Topics represented on March 24
8 observances
All observances on this date
Source-backedFixed AnnualIn-depth guide
Commonwealth Covenant Day
CNMI Office of the Registrar
Source-backedRule Based AnnualIn-depth guide
Diabetes Alert Day
Current American Diabetes Association material states that Diabetes Alert Day is a day set aside by the ADA, observed annually on the fourth Tuesday in March, and identifies March 24 for 20…
Source-backedFixed AnnualIn-depth guide
International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims
A/RES/65/196
Source-backedFixed AnnualIn-depth guide
National Adverse Drug Event Awareness Day
The American Society of Pharmacovigilance (ASP) announced on March 24, 2021 that it was establishing March 24 as National Adverse Drug Event Awareness Day. ASP later described 2024 as the t…
Source-backedFixed AnnualIn-depth guide
National Cheesesteak Day
Direct interviews with the four originators trace the observance to a March 24, 1994 cheesesteak outing and a 1995 “second annual” National Cheesesteak Thursday letter; Philadelphia Interna…
Source-backedFixed AnnualIn-depth guide
National Chocolate-Covered Raisins Day
ANFP Wyoming and Wisconsin chapter calendars list National Chocolate-Covered Raisins Day on March 24.
Source-backedFixed AnnualIn-depth guide
National Day of Remembrance for Truth and Justice
Argentina’s Law 25.633 establishes March 24 as the National Day of Remembrance for Truth and Justice, while current official holiday law treats March 24 as a non-transferable national holid…
Source-backedFixed AnnualIn-depth guide
World Tuberculosis Day
WHO observance
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 →