Helsinki Convention on the Protection of the Marine Environment of the Baltic Sea Area Finland, Germany, Latvia, Lithuania, Poland, Russia and Sweden. The Convention on the Protection of the Marine Environment of the Baltic Sea Area, 1992, entered into force on 17 January 2000. The States-Parties to the Convention agreed individually or jointly to take all appropriate legislative, administrative or other relevant measures to prevent and eliminate pollution in order to promote the ecological restoration of the Baltic Sea Area and the preservation of its ecological balance. The Parties undertake to apply: The aim of the States-Parties to the Convention is to prevent and eliminate pollution of the marine environment of the Baltic Sea
Midsummer Sweden, Denmark, Norway, Finland, Estonia, Latvia and Lithuania – but is also very strongly observed in Poland, Russia, Belarus, Germany, Netherlands, Flanders, Ireland, parts of the United Kingdom (Cornwall especially), France, Italy, Malta, Portugal, Spain, Ukraine, other parts of Europe, and elsewhere – such as Canada, the United States, Puerto Rico, and also in the Southern Hemisphere (mostly in Brazil, Argentina and Australia). In Estonia, Latvia, Lithuania and Quebec (Canada), the traditional Midsummer day, June 24, is a public holiday. So it was formerly also in Sweden and Finland, but in these countries it was, in the 1950s, moved to