This is an online offer in operation on servers of the Leibniz-Centre for Contemporary History Potsdam (ZZF). For the processing of all personal data that arise in the context of this offer, the Privacy Statement of the ZZF applies.

This website uses Google Analytics, a web analysis service of Google Inc. (1600 Amphitheatre Parkway Mountain View, CA 94043, USA; ‘Google’). Usage includes the tracking tool Universal Analytics. In this way, it is possible to assign a pseudonym user ID to data, sessions and interaction on several devices and, in this way, to analyse the activities of a user across multiple devices. This Privacy Notice is made available by

Google Analytics uses so-called cookies, text files that are saved on your computer and allow for an analysis of your use of the website. The information about your use of this website generated by the cookies is generally transferred to a Google server in the USA, where it is stored. In the event of the activation of the IP anonymisation on this website, your IP address will, however, first be truncated within member states of the European Union or in other signatory states of the Agreement on the European Economic Area. Only in exceptional cases is the complete IP address transmitted to a Google server in the USA and truncated there. The IP address transmitted from your browser in the context of Google Analytics will not be merged with other Google data. On behalf of the operator of this website, Google uses this information to evaluate your use of the website, to compile reports on website activities and to provide other services to the website operator related to the use of the website and the Internet. For these purposes, we have a legitimate interest in the processing of data. The legal basis for the application of Google Analytics is § 15 (3) TMG and § 6 (1) lit. f DSGVO. The data transferred by us and combined with cookies, user IDs or advertising IDs is automatically deleted after 14 months. The deletion of data for which the end of the storage period has been reached takes place automatically once a month. Further information on terms of use and data privacy can be found at and

You can prevent the storage of cookies by means of a corresponding setting of your browser software; we would like to point out, however, that in this case you might not be able to use all functions of this website to their full extent. In addition, you can prevent the registration with Google of the data generated by and related to your use of the website (including your IP address), as well as the processing of this data by Google, by downloading and installing the browser add-on. Opt-out cookies prevent the future registration of your data when visiting this website. In order to prevent registration by Universal Analytics across different devices, you must perform the opt-out on all systems used.

By clicking here, the opt-out cookie will be set: deactivate Google Analytics