Abstract: Enforced Partition
||Partial destruction of the Jena factory during the war. US troops take 126 management staff and scientists with them to their occupation zone
||In the newly founded firm "Optische Werke Oberkochen" – later to become Carl Zeiss – the deported managers continue to operate the foundation enterprise
||Expropriation of the Zeiss and Schott factories of the Carl Zeiss Foundation in Jena. Both become state-owned enterprises: VEB (people’s enterprise) Carl Zeiss JENA and VEB Jenaer Glaswerk
||Heidenheim becomes the legal domicile of the Carl Zeiss Foundation. The Zeiss companies in the East and West develop into technology leaders in optics in their respective hemispheres
||VEB Carl Zeiss JENA becomes the leading enterprise for precision mechanical and optical products in East Germany. Introduction of combine formation
||London agreement between the two companies governing the use of names and trademarks containing the component "Zeiss"