Founded in the beginning of the 1980s the Swedish “Green Environmental Party” became the first fullscale political incorporation based on the ground rules of Green politics. Taking part in general elections since 1982 to nowadays, the Green party became a significant phenomenon in Swedish political life. The Swedish “greens” today are the single political force within the government in action, and this fact opens new horizons for the European Green movement. The objective of the article is the analysis of party’s aspects of foundation and development, its place in a modern political Swedish processes. For the first time in Russian historiography the Swedish “Green Environmental Party” is been analyzed, which also continues a research of European green political parties started by other authors.