 Kubvira pakapambwa Constantinople neChitsuwa Chechina muna 1204, pfungwa yokuti Umambo hweByzantium hwaisagona kutsungirira hondo yechitsuwa yakanga yawana kuvimbika kukuru. Nokudaro, kuvanza chinyorwa chakadaro kwaizorangarirwa navaverengi veOrthodox vokuRussia sechinhu chine mufungo zvikuru. Nenzira yakafanana, nokuwa kwoUmambo hweByzantiumkuUmambo hweOttoman muna 1453, vaverengi veOrthodox vokuRussia muna 1510 vangadai vakaziva nokukurumidzira kudzivirirwa kwezvinhu zvakadaro. 