The Presidium of the Soviet Union is, in short, the legislative branch of the great Soviet Union. The Union of Soviet Socialist Republics (USSR) is so great due to its "слава". This translates to glory. It became glorious because of its revolution against the tsar. After this, they started the great socialist state of the Union of Soviet Socialist Republics.The Presidium of the Supreme Council of the USSR (ПРЕЗИДИУМ ВЕРХОВНОГО СОВЕТА СССР). Great Soviet Encyclopedia. (in Russian)