9.7.1790 sea fight in the Svensksund/Svenskasund

party1: Swedes
commander1: Gustav III.
troops1: 5+20 vessels
losses1: 4/1 vessels

party2: Russians
commander2: Prinz v.Nassau-Siegen
troops2: 8+50 vessels
losses2: 60/25 vessels
(Victory of Swedes or (perhaps) indecisive)