In the history of Lithuanian architecture, the period of soviet modernism has made very problematical mark. The architectural and urbanist changes that were made in Lithuanian cities during this period are linked with the beginning and development of modern building practice. Many discussions causes the changes in the city centres that were made from the 1960s. New modern buildings that were built in the historic context changed its individuality and singularity. This article analyses architectural changes that were made from 1960s to1990s in the historic context of Vilnius and Panevėžys centres. The article suggests that during different decades of the soviet modernism period, the new architecture had a different approach to the historic context. To prove this suggestion, the article presents the most distinctive buildings that were built in the historic context of the selected city centres.