World Migratory Bird Day
UNEP / CMS / AEWA partner campaign
For 2026, these source-backed observances resolve to Saturday, May 9. Recurring rules can move in another year, so each record keeps its own date logic.
UNEP / CMS / AEWA partner campaign
European Union and European Commission
The CdLS Foundation says International CdLS Awareness Day is observed on the second Saturday in May each year and lists the 2026 edition for 9 May.
Historic Jamestowne’s 2026 calendar lists Jamestown Day on 9 May 2026, commemorating the 1607 settlement and its wider histories.
NALC’s 2026 registration notice gives Saturday 9 May 2026, and its toolkit describes the annual food drive as occurring on the second Saturday in May.
The States of Guernsey public-holiday calendar lists Liberation Day on 9 May 2026, and official Liberation Day planning material uses 9 May for island commemorations.
Current pet calendars consistently place National Dog Mom’s Day on the second Saturday in May; the observance is traced to a 2018 launch associated with Dig.
A Dutch working windmill organization’s current 2026 agenda explicitly identifies 9 May as National Windmill Day and promotes public heritage access.
The Brush Square Museums Foundation lists the 49th O. Henry Museum Pun-Off World Championships for Saturday 9 May 2026 and describes the competition as annual.
The Kremlin’s official Victory Day material documents the national celebrations and military parade on 9 May.
A Bayfield County, Wisconsin 2026 event page explicitly states that the second Saturday in May is World Belly Dance Day; dance-community historical references attribute the concept to Lydia…
The World Fair Trade Organization identifies World Fair Trade Day on the second Saturday in May
World Fair Trade Organization (WFTO)
UNEP / CMS / AEWA partner campaign
This page is assembled from verified fixed dates, reusable recurrence rules, and target-year records whose edition matches 2026. Variable, historical or unresolved records are not silently forced onto this date.
Read the methodology →