Migingo Island https://www.aljazeera.com/indepth/inpictures/migingo-island-africas-smallest-war-190217150742518.html
Canada and Denmark are in a tussle for a barren rock. The military from each country will plant its flag and remove the other country’s flag. https://www.businessinsider.com/canada-and-denmark-whiskey-war-over-hans-island-2016-1/