NATO's Milestone Anniversaries: A Look at Unique Celebrations (nato.int)

• Bing Crosby recorded 'The NATO Song' for the 10th anniversary.
• A horse jumping contest was held for the 25th anniversary in Overijse, Belgium.
• The NATO Hymn was officially approved in 2018 after its composition for the 40th anniversary.

"Since its founding on 4 April 1949, NATO has marked milestone anniversaries with creative events including Bing Crosby's 'NATO Song', commemorative stamps, a 'Talking Book', a horse jumping contest, a documentary film, the NATO Hymn, an online quiz, the GLOBSEC Express train, a classical concert, and a special 'Article 5' beer for the 75th anniversary."