1) Impact crater on Mars 
==History== Stefan Vojislav ({floruit} 1018–43) held the Byzantine titles of archon, and toparch of the Dalmatian kastra of Zeta and Ston. Mihailo I of Duklja (r. 1050–81), Vojislav`s son, held Ston, where he had the St. Michael`s Church built, which has his preserved ktitor portrait. Miroslav, the Grand Prince of Hum (r. 1166–90), was sea.....