2024
First observance
APOL1-Mediated Kidney Disease (AMKD) Awareness Day
AKF called April 30, 2024 the first annual AMKD Awareness Day.
Evergreen date guide
What is celebrated on April 30?
See the observances and verified observance-history milestones attached to April 30. 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.
2022
First observance
National First Ladies Day
Commission material documents the public launch and 2022 observance on the last Saturday in April.
2018
Later action
Firefighters’ Memorial Day
Formally established Firefighters’ Memorial Day to take place annually on May 4 after the UK observance had launched in 2017.
2018
First observance
National Bubble Tea Day
Kung Fu Tea states that it founded the day on April 30, 2018.
2012
First observance
International Jazz Day
UNESCO records the inaugural International Jazz Day celebrations in 2012.
2008
Later action
Aviation Maintenance Technician Day
Supported the goals and ideals of National Aviation Maintenance Technician Day and recognized Charles Edward Taylor and aviation maintenance technicians.
2008
Precursor
Aviation Maintenance Technician Day
The House record states that 45 states and U.S. jurisdictions had already declared May 24 as Aviation Maintenance Technician Day before the federal supporting resolution.
1909
First observance
National Raisin Day
Contemporary April 30, 1909 reporting documents Raisin Day as a widespread campaign, and USDA history records Fresno’s first Raisin Day parade on that date.
Curated global anchors
See the collection →Major global guides on April 30
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 Jazz Day
UNESCO 36 C/Resolution 39
Reviewed depth
Other in-depth guides on April 30
Source-backedFixed AnnualIn-depth guide
National Adopt a Shelter Pet Day
ASPCA material identifies April 30 as National Adopt a Shelter Pet Day, and a municipal animal shelter calendar also schedules the 2026 observance on April 30.
Source-backedFixed AnnualIn-depth guide
National Animal Advocacy Day
The ASPCA explicitly promotes National Animal Advocacy Day on 30 April, and New York legislative resolutions provide additional civic recognition.
Source-backedFixed AnnualIn-depth guide
National Bubble Tea Day
Kung Fu Tea states that it founded National Bubble Tea Day on April 30, 2018, its eighth birthday, to celebrate the bubble-tea community; this verifies the modern observance, not invention…
Source-backedFixed AnnualIn-depth guide
National Military Brats Day
Military Brats Registry’s origin page, dated January 2, 2015 and currently maintained, proposes congressional recognition while itself naming April 30 each year as the unofficial Military B…
Source-backedFixed AnnualIn-depth guide
National Raisin Day
Contemporary 1909 reporting documents an April 30 Raisin Day campaign organized by California raisin growers; USDA history records Fresno’s first Raisin Day parade on April 30, 1909 and ann…
Source-backedFixed AnnualIn-depth guide
National Therapy Animal Day
Pet Partners states that it created National Therapy Animal Day in 2015 and currently recognizes April 30 with annual participation and local-proclamation resources.
Explore the mix
All topics →Topics represented on April 30
9 observances
All observances on this date
Source-backedFixed AnnualIn-depth guide
International Jazz Day
UNESCO 36 C/Resolution 39
Source-backedFixed AnnualIn-depth guide
National Adopt a Shelter Pet Day
ASPCA material identifies April 30 as National Adopt a Shelter Pet Day, and a municipal animal shelter calendar also schedules the 2026 observance on April 30.
Source-backedFixed AnnualIn-depth guide
National Animal Advocacy Day
The ASPCA explicitly promotes National Animal Advocacy Day on 30 April, and New York legislative resolutions provide additional civic recognition.
Source-backedFixed AnnualIn-depth guide
National Bubble Tea Day
Kung Fu Tea states that it founded National Bubble Tea Day on April 30, 2018, its eighth birthday, to celebrate the bubble-tea community; this verifies the modern observance, not invention…
Source-backedFixed AnnualIn-depth guide
National Military Brats Day
Military Brats Registry’s origin page, dated January 2, 2015 and currently maintained, proposes congressional recognition while itself naming April 30 each year as the unofficial Military B…
Source-backedFixed AnnualIn-depth guide
National Raisin Day
Contemporary 1909 reporting documents an April 30 Raisin Day campaign organized by California raisin growers; USDA history records Fresno’s first Raisin Day parade on April 30, 1909 and ann…
Source-backedFixed AnnualIn-depth guide
National Therapy Animal Day
Pet Partners states that it created National Therapy Animal Day in 2015 and currently recognizes April 30 with annual participation and local-proclamation resources.
Source-backedFixed AnnualIn-depth guide
Our Lady of Africa
Missionaries of Africa and Missionary Sisters of Our Lady of Africa first-party sources consistently document April 30 as the feast/patronal feast of Our Lady of Africa. Congregational hist…
Source-backedFixed AnnualIn-depth guide
Walpurgis Night
Visit Sweden identifies Walpurgis Eve (Valborg) on 30 April as a recurring Swedish spring tradition with bonfires, singing and community gatherings, while May Day on 1 May is a separate pub…
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 →