||The political change in the German Democratic Republic also spells a change in the relations between the Zeiss enterprises in the East and West. The enterprises declare their intention to fuse under the umbrella of a Carl Zeiss Foundation that would be legally domiciled in both Jena and Heidenheim.
||In the following years, Carl Zeiss founds two factories in Hungary, participates in a joint venture in Belarus, and opens new agencies in eastern Europe.
||Carl Zeiss, Oberkochen, acquires the shares held by Jenoptik GmbH in Carl Zeiss Jena GmbH and is now the sole owner.
||The enterprise Carl Zeiss celebrates its 150th anniversary.