Treaty of Stralsund (1370) and Hanseatic naval dominance in the Baltic (1370–1400)

1. Valdemar IV seizes Gotland and Visby

   Jul 22, 1361Labels: Valdemar IV, Gotland, Visby

   • Gotland Invasion
   • Danish Hanseatic War

2. Danish fleet defeats Hanseatic attack at Helsingborg

   Jul 8, 1362Labels: Danish fleet, Helsingborg

   • Helsingborg Battle
   • Danish Hanseatic War

3. Confederation of Cologne forms anti-Danish alliance

   Nov 19, 1367Labels: Confederation of, Hanseatic cities

   • Cologne Confederation
   • Hanseatic League

4. Hanseatic forces capture and loot Copenhagen

   Apr 4, 1368Labels: Hanseatic forces, Copenhagen

   • Copenhagen Siege
   • Danish Hanseatic War

5. War ends with the Treaty of Stralsund

   May 24, 1370Labels: Treaty of, Denmark

   • Britannica
   • Treaty Stralsund

6. Hanseatic free passage secured through the Øresund

   May 24, 1370Labels: resund, Hanseatic shipping

   • Britannica
   • Hanseatic League

7. League gains Scania fortresses and herring-market leverage

   May 24, 1370Labels: Scania fortresses, Herring market

   • Britannica
   • Treaty Stralsund

8. Hanseatic influence expands into Danish succession politics

   May 24, 1370Labels: Hanseatic League, Danish succession

   • Britannica
   • Treaty Stralsund

9. Valdemar IV dies, opening a controlled succession

   Jan 1, 1375Labels: Valdemar IV, Olaf of

   • Britannica Olaf
   • Britannica Stralsund

10. Øresund fortresses returned as the 15-year term ends

    Jan 1, 1385Labels: resund fortresses, Denmark

    • Hanseatic League
    • Cologne Confederation

11. Victual Brothers piracy disrupts Baltic trade lanes

    Jan 1, 1392Labels: Victual Brothers, Baltic piracy

    • Hanseatic League
    • War in Gotland

12. Kalmar Union forms, reshaping Baltic power balance

    Jun 17, 1397Labels: Kalmar Union, Scandinavia

    • Britannica Kalmar
    • Kalmar Union