Russian lands 1200-1250 (Chaos)

(This part also includes some history of Eastern Europe not inhabited by Russians.)
Early 13th century: (OTL Mamluk sultan Baibars isn't captured by the , stays Kipchak.)
1212: Vsevolod "The big nest" III dies.
1219: conquers Estonia.
1221: founded.
1223: (No Battle on the river Kalka. Kipchaks / Kumans / Polovtzy still rule the steppes in .)
1225: conquer Crimea.
1227: comes into the Kulmer Land (East , at the Vistula). Yaroslav of attacks .
1230: Livonia completely subjugated.
1236-40: Mongol attacks on Russia except Novgorod don't happen.
1237: returns to the , starts to convert them to Christianity and tries to recruit them to settle in . A delegation of them visits Hungary proper and likes the idea of settling there. The Pope and Hungary support him, too.
Unification of the Teutonic Order and the Brotherhood of the Sword.
(Volga Hungarians, not defeated by Mongols.)
1238: Russian prince Aleksandr Yaroslavich who's the fourth son of his father and has no chance of ever becoming a ruler goes to , who are often busy fighting the Volga Bulgarians.
1240s: tribes displaced by the Mongols under defeat eastern Kipchaks, cross the lower Volga, attack the area south of Don and Volga and destroy the little country of the Alans, a leftover of the völkerwanderung.
1240: Russian prince Aleksandr doesn't have to defeat the Swedes at the Neva.
1241: Bulgarian czar dies. loses influence on and .
1241/42: The battle of Liegnitz (Legnica) doesn't happen, and neither does the savaging of , Silesia, , Hungary (which lost half its population IOTL, according to some sources), Romania and Bulgaria by the Mongols. The Teutonic Order doesn't have to pay a high blood toll either.
1242: Aleksandr doesn't have to fight the Livonian knights on frozen Lake Peipus.
1243: King conquers Bosnia.
1246: Bela IV invades , killing the last duke Friedrich II. His widow Margarete governs in his place. She and his niece Gertrud (wife of Vladislav of Moravia, elder brother of ) are the only living heirs.
Baibars who became a Kipchak leader defeats the Kara-Kitai, throws them back behind the Don. He now reigns in the biggest of the six Kuman cities, Sharukan (in OTL Charkov's place).
1247: The elder brother of Otakar Przemysl doesn't die.
1250: German settlement has reached the Oder river, and even crossed it in some places, also including southern Silesia.