Complex sentence: During the times of the People's Republic of Poland it was known as the Lenin Shipyard and the Gdańsk Shipyard gained international fame when Solidarity ("Solidarność") was founded there in September 1980.
Split into simpler sentences: During the times of the People's Republic of Poland it was known as the Lenin Shipyard. The Gdańsk Shipyard gained international fame when Solidarity ("Solidarność") was founded there in September 1980.