The Declaration of Olmütz was signed between Prussia and Austria, in which Prussia submitted to Austrian dominance.
21st June 1919: The German High Seas naval fleet is scuttled at Scapa Flow
21st June 2019
The Declaration of Olmütz was signed between Prussia and Austria, in which Prussia submitted to Austrian dominance.
28th June 2015
11th November 2022
11th November 2022
9th November 2019