International Museum Day - May 18
Mon, May 18, 2026

International Museum Day

International Museum Day is celebrated in many countries around the world. On this day, museums often organize special programs and extended hours, and some offer free admission. The observance highlights the role of museums in preserving cultural heritage and making it accessible to a broad audience.

History of International Museum Day

International Museum Day was established in 1977 by the International Council of Museums. Each year, the observance is marked by a specific theme that reflects current challenges and priorities in the museum sector. Past themes have focused on topics such as cultural exchange, education, and the protection of cultural property.

The main purpose of International Museum Day is to encourage public interest in museums and to emphasize their educational and social value. In many countries, the date is associated with special initiatives such as evening openings, guided tours, lectures, and workshops, sometimes referred to as a Night of Museums.

Interesting Facts About International Museum Day

Museums around the world preserve objects of historical, artistic, and scientific importance.

  1. The British Museum holds millions of objects from different periods and regions of the world.
  2. One of the smallest museums is located in Lithuania and is set inside a hollow oak tree.
  3. Mexico is home to an underwater museum that can be explored by divers and snorkelers.
  4. Moscow hosts museums dedicated to highly specific themes, including social and cultural history.
  5. The American Museum of Natural History in New York inspired the film Night at the Museum, which helped introduce museum spaces to a wider popular audience.

When Is International Museum Day in 2026?

International Museum Day is observed each year on May 18.

Observations

Weekday Month Day Year
Monday May 18 2026
Tuesday May 18 2027
Thursday May 18 2028
Friday May 18 2029