June 5 national days 2026
On June 5th, 5 national days fall on this date.
June 5 is a date on the 2026 national-day calendar. TheDayOf currently lists 5 observances for this date: National Donut Day, National Fish & Chip Day, National Parakeet Day, Danish Constitution Day (Grundlovsdag), and World Environment Day. Open any day page for the date, history, and how to celebrate, or browse the rest of June from the month hub.

National Donut Day
Glaze over this sweet celebration on National Donut Day! These beloved circular treats come in endless varieties - from classic glazed to…
National Fish & Chip Day
Queue at the chippy for National Fish & Chip Day! The UK trade marks the nation’s favourite takeaway on the first Friday in June — a…
National Parakeet Day
Tweet on Parakeet Day! Budgies are the most popular pet bird in America. These colorful, social birds can learn to talk and do tricks…
Danish Constitution Day (Grundlovsdag)
Mark Grundlovsdag — Danish Constitution Day — on June 5, when Denmark remembers the constitutions that turned absolute monarchy into…
World Environment Day
Protect our planet and promote environmental awareness on World Environment Day! This global celebration encourages individuals and…