Events in the year 1968 in Bulgaria. Incumbents General Secretaries of the Bulgarian Communist Party: Todor Zhivkov Chairmen of the Council of Ministers: Todor Zhivkov Events July 28 – The 9th World Festival of Youth and Students was held in Sofia. The festival attracted 20,000 people from 138 countries. The Mantaritza Biosphere Reserve was established to protect the old coniferous forests and the biotopes of the Western capercaillie (Tetrao urogalus). Sports References 1960s in Bulgaria Years of the 20th century in Bulgaria Bulgaria Bulgaria