The seminars and trainings are usually held in English unless the description of the seminar or training explicitly states German as the language of instruction.
If there are only German-speaking participants in the seminar or training in Germany, Austria or Switzerland, the language of instruction is German.

Data Vault itself is not part of the training Temporal data in a fast-changing world!. Dan Linstedt and Hans Hultgren are currently offering training for this.
On the basis of Data Vault objects, the trainer explains the basic bitemporal principles. The handling of temporal data in Data Vault is therefore a major part of the training.