Complex sentence: History of the development and establishment of Ukrainian Society for the Blind began June 4,1933-the year when the Central Executive Committee and Council of People's Commissars of the USSR, decided to create a Ukrainian Society for the Blind.
Split into simpler sentences: History of the development and establishment of Ukrainian Society for the Blind began June 4,1933. In the year the Central Executive Committee and Council of People's Commissars of the USSR decided to create Ukrainian Society for the Blind.