1 1368 – Armies of Olgerd, Grand Prince of Russia, Lithuania and Zhemaitia, and Mikhail Aleksandrovich, Grand Prince of Tver, captured Moscow. Serpukhov goes to Lithuania. Mikhail Aleksandrovich became Grand Prince of Vladimir – official head of North-East Russia. 1372 – Olgerd completely eliminate the independence of Moscow. House of Kalita overthrown. Dmitry Mikhailovich Bobrok (Olgerd’s nephew) became new prince of Moscow. Vingald (Andrew) of Polotsk and Dmitry of Bryansk. Usobitsa (dynastic war) starts. 1401 – Witovt makes the Novgorod republic to recognize him as “gosudar” (protector).