International Museum Day
Museums are important means of cultural exchange and mutual understanding.
About
International Museum Day is celebrated on or around May 18 each year to raise awareness of the role museums play as important means of cultural exchange, enrichment, and development of mutual understanding. Hundreds of museums worldwide open their doors for free or host special events on this day.
History
International Museum Day was established by the International Council of Museums (ICOM) in 1977 and is now observed in over 150 countries. A new theme is chosen each year — from 'Museums for Equality' to 'Museums, Sustainability and Well-being' — reflecting evolving debates about the role of museums in contemporary society.
Where It's Observed
How to Participate
- 01Visit a local museum you have never been to before
- 02Explore a virtual museum tour online
- 03Learn about an artefact or collection related to your heritage
- 04Support your local museum with a membership or donation
Frequently asked questions
When is International Museum Day?+
International Museum Day is observed annually on May 18. The date is fixed each year — May 18 — and does not shift based on the lunar calendar or weekday.
What is International Museum Day?+
International Museum Day is celebrated on or around May 18 each year to raise awareness of the role museums play as important means of cultural exchange, enrichment, and development of mutual understanding. Hundreds of museums worldwide open their doors for free or host special events on this day.
Is International Museum Day a public holiday?+
International Museum Day is an international observance or awareness day, not a public holiday in most countries. It does not typically result in days off work or school closures, though some countries and organisations hold official events.
How can I participate in International Museum Day?+
Visit a local museum you have never been to before Explore a virtual museum tour online Learn about an artefact or collection related to your heritage These are some of the most accessible ways to engage with the day's purpose.
Which countries observe International Museum Day?+
Global — ICOM initiative, over 150 countries.
Mark the date
Download a free printable calendar for 2026 and never miss International Museum Day.