What the records say
- When
- 20 Jun 1689
- Kind
- Treaty
- Coordinates
- 53.55° N, 9.93° E
2 sources record it
- Wikidata: treaties and coupsWikidata contributorsCreative Commons CC0 1.0 (public domain dedication)Source page
- Wikipedia year pages (German), by Wikipedia contributorsWikipedia contributors · names it “Durch den Altonaer Vertrag erhält Herzog Christian Albrecht von Schleswig-Holstein-Gottorf unter Vermittlung der kaiserlichen, brandenburgischen,…”Creative Commons Attribution-ShareAlike 4.0Source page