Battle of Rufiji Delta
1914 CE.
Shown on the map at -7.868°, 39.240°.
The Battle of the Rufiji Delta was fought in German East Africa (modern Tanzania) from October 1914–July 1915 during the First World War, between the German Navy's light cruiser SMS Königsberg, and a powerful group of British warships. The battle was a series of attempts, ultimately successful, to sink the blockaded German light cruiser.
Text from the Wikipedia article Battle of the Rufiji Delta, licensed CC BY-SA 4.0.