Complex sentence: In 1858 he also founded the Museum of Antiquities ("Muzeum Starożytności ") there, parts of which, that remained after Russian, German and Polish"evacuations" became the basis of what later became National Museum of Lithuania.
Split into simpler sentences: In 1858 he also founded the Museum of Antiquities ("Muzeum Starożytności ") there. Parts of the museum, that remained after Russian, German and Polish"evacuations" became the basis of what later became National Museum of Lithuania.