Political events taking place in the former soviet area at the end of 80-ies and at the begining of 90-ies of 20-th century served as a catalyzer for starting the national liberation process of the population from the River Prut till the River Nistru. Socio-political actions culminated for Moldovan country with the Declaration of Sovereighty of the Republic, act of great importance adopted on 23 june 1990.