"907" . . "Kievan military campaign" . "military campaign against Constantinople" . . . . . . . . . "Rus'\u2013Byzantine War (907)" . . . "2,000 ships" . . "Rus'\u2013Byzantine War (907)" . . . "Rus'\u2013Byzantine wars" . "Rus'" . "attacked Constantinople" . "campaign against Constantinople" . . "unknown" . "Byzantine Empire" . . "Rus Victory" . . . "Rus' raid" . . . . "Vikings" . "Rus'\u2013Byzantine War" . . . . . . . . . . .