Baltic Sea Day is observed annually on March 22 and was established in 1986 during a meeting of the Helsinki Convention, which aims to protect the marine environment of the Baltic Sea. This ecological observance highlights the importance of preserving the unique marine ecosystem and involves countries such as Sweden, Finland, Denmark, Germany, Poland, and Russia, among others. The major event associated with Baltic Sea Day is the International Environmental Forum, held in St. Petersburg, Russia, where ecological issues related to the Baltic Sea are discussed. Activities during this day include exhibitions, video conferences, and contests aimed at promoting conservation efforts. The Helsinki Convention, originally signed in 1974, mandates member countries to protect the Baltic Sea from pollution and to keep the public informed about their environmental measures.