2022
Institutional decision
International Day of Women in Diplomacy
The UN Digital Library records A/RES/76/269 as adopted without a vote on 20 June 2022.
Evergreen date guide
What is celebrated on June 20?
See the observances and verified observance-history milestones attached to June 20. 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.
2019
Institutional decision
International Day of the Celebration of the Solstice
The United Nations Digital Library records adoption without a vote on 20 June 2019.
2018
First observance
Nystagmus Awareness Day
The organization’s 2018 announcement introduced 20 June as the new permanent date; earlier annual awareness activity existed as Wobbly Wednesday.
2005
First observance
International Surfing Day
Surfrider’s history records the 2005 declaration of June 20 as International Surfing Day.
2001
First observance
World Refugee Day
UNHCR records that World Refugee Day was observed globally for the first time on 20 June 2001.
Curated global anchors
See the collection →Major global guides on June 20
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
World Refugee Day
A/RES/55/76
Reviewed depth
Other in-depth guides on June 20
Source-backedFixed AnnualIn-depth guide
Día de la Bandera
Argentina’s official government portal states that Law 12,361 fixed 20 June as Flag Day, and the official legal database records the law declaring that date Día de la Bandera.
Source-backedRule Based AnnualIn-depth guide
International Surfing Day
Surfrider Foundation states that International Surfing Day began in 2005; its history records Surfrider Foundation and Surfing Magazine declaring June 20 International Surfing Day, while cu…
Source-backedFixed AnnualIn-depth guide
Martyrs Day
Eritrea’s Ministry of Information identifies 20 June as Martyrs Day and documents official 2026 commemorations by government institutions and regions.
Source-backedEdition SpecificIn-depth guide
Midsummer Day
The Government Offices of Sweden public-holiday circular lists Midsummer Day on 20 June 2026.
Source-backedFixed AnnualIn-depth guide
Nystagmus Awareness Day
Nystagmus Network documents the Wobbly Wednesday precursor, the 2018 move to a permanent 20 June date and the stated reasons for that change.
Source-backedFixed AnnualIn-depth guide
Ugliest Dog Day
Animal Medical Center calendars repeatedly list Ugliest Dog Day on June 20; the separately scheduled Sonoma-Marin Fair World’s Ugliest Dog Contest is not treated as the same observance or o…
Explore the mix
All topics →Topics represented on June 20
8 observances
All observances on this date
Source-backedFixed AnnualIn-depth guide
Día de la Bandera
Argentina’s official government portal states that Law 12,361 fixed 20 June as Flag Day, and the official legal database records the law declaring that date Día de la Bandera.
Source-backedRule Based AnnualIn-depth guide
International Surfing Day
Surfrider Foundation states that International Surfing Day began in 2005; its history records Surfrider Foundation and Surfing Magazine declaring June 20 International Surfing Day, while cu…
Source-backedFixed AnnualIn-depth guide
Martyrs Day
Eritrea’s Ministry of Information identifies 20 June as Martyrs Day and documents official 2026 commemorations by government institutions and regions.
Source-backedEdition SpecificIn-depth guide
Midsummer Day
The Government Offices of Sweden public-holiday circular lists Midsummer Day on 20 June 2026.
Source-backedFixed AnnualIn-depth guide
Nystagmus Awareness Day
Nystagmus Network documents the Wobbly Wednesday precursor, the 2018 move to a permanent 20 June date and the stated reasons for that change.
Source-backedFixed AnnualIn-depth guide
Ugliest Dog Day
Animal Medical Center calendars repeatedly list Ugliest Dog Day on June 20; the separately scheduled Sonoma-Marin Fair World’s Ugliest Dog Contest is not treated as the same observance or o…
Source-backedFixed AnnualIn-depth guide
West Virginia Day
West Virginia Code designates June 20 as West Virginia Day; current gubernatorial proclamations continue to recognize the date.
Source-backedFixed AnnualIn-depth guide
World Refugee Day
A/RES/55/76
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 →