World Chagas Disease Day
WHO states that the global community celebrated World Chagas Disease Day for the first time on 14 April 2020.
See the observances and verified observance-history milestones attached to April 14. Each observance keeps its own source and date details.
Selected observance milestones connected to this date, based on reviewed sources.
WHO states that the global community celebrated World Chagas Disease Day for the first time on 14 April 2020.
AAPA’s official historical timeline explicitly states that the first PA Day was celebrated on April 14, 2014.
Official AFRC history identifies the formal Air Force Reserve establishment date.
OAS historical material identifies 1931 as the first observance of Pan American Day.
Government and Dr. Ambedkar Foundation sources verify annual 14 April birth-anniversary commemoration; 14 April 2026 was separately declared a Central Government office holiday by year-spec…
The President of Israel addressed the official state opening ceremony on 13 April 2026, beginning the 2026 Holocaust Martyrs’ and Heroes’ Remembrance Day observance.
NACUA identifies Steve Hughes as creator and states that International Be Kind To Lawyers Day recurs on the second Tuesday in April; a contemporaneous 2008 archive documents the first editi…
USDA’s National Institute of Food and Agriculture lists April 14 as National Gardening Day in its 2026 social-media toolkit.
Organization of American States
The American Association of Pathologists’ Assistants identifies April 14 as PA Day/Pathologists’ Assistants Day and has repeatedly promoted the annual professional recognition.
Government and Dr. Ambedkar Foundation sources verify annual 14 April birth-anniversary commemoration; 14 April 2026 was separately declared a Central Government office holiday by year-spec…
The President of Israel addressed the official state opening ceremony on 13 April 2026, beginning the 2026 Holocaust Martyrs’ and Heroes’ Remembrance Day observance.
NACUA identifies Steve Hughes as creator and states that International Be Kind To Lawyers Day recurs on the second Tuesday in April; a contemporaneous 2008 archive documents the first editi…
USDA’s National Institute of Food and Agriculture lists April 14 as National Gardening Day in its 2026 social-media toolkit.
Organization of American States
The American Association of Pathologists’ Assistants identifies April 14 as PA Day/Pathologists’ Assistants Day and has repeatedly promoted the annual professional recognition.
Air Force Reserve Command materials mark 14 April 2026 as the Air Force Reserve’s 78th anniversary.
WHO observance
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.
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