Siege of Mombasa
1696 CE.
Shown on the map at -4.050°, 39.667°.
The siege of Mombasa was an attack on the Portuguese city of Mombasa and Fort Jesus by the army of the Ya'rubid ruler of Oman, Saif I bin Sultan, from 13 March 1696 to 13 December 1698.
Text from the Wikipedia article Siege of Mombasa (1696–1698), licensed CC BY-SA 4.0.