Operation Jaywick
1943 CE.
Shown on the map at 1.287°, 103.865°.
Operation Jaywick was a special operation undertaken in the Second World War. In September 1943, 14 commandos and sailors from the Allied Z Special Unit raided Japanese shipping in Singapore Harbour, sinking three ships and damaging three more using limpet mines.
Text from the Wikipedia article Operation Jaywick, licensed CC BY-SA 4.0.