On January 26, 1953, the first session of the Customs Cooperation Council was held. The holiday was first celebrated in 1983 in honor of the 30th anniversary of the organization. The date of the organization’s creation was chosen for the celebration. Later it was renamed the World Customs Organization. It was created to harmonize customs systems and improve customs legislation. In 1991, the USSR joined the customs organization. Now the World Customs Organization includes 183 countries.
In 1792, the Stockholm Declaration was adopted at the UN Conference on Environmental Problems. It was this document that gave impetus to the development of environmental education, 26 principles of nature conservation were enshrined in it, which are still used today. One of the main tasks of the holiday is to reiterate how important environmental education is.