Yakutsk becomes a base for river expeditionsJan 1, 1640Labels: Yakutsk, Lena River, YasakBritannicaYakutsk
Golovin orders Poyarkov to seek Amur landsJul 1, 1643Labels: Pyotr Golovin, Vasily Poyarkov, Yakutsk voevodaPyotr GolovinPoyarkov
Detachment leaves Yakutsk and ascends the LenaJul 15, 1643Labels: Vasily Poyarkov, Lena River, Stanovoy RangePoyarkov
Expedition struggles through portages to the watershedNov 1, 1643Labels: Aldan River, Portages, Stanovoy watershedPoyarkov
Poyarkov crosses toward the Zeya and DauriaDec 1, 1643Labels: Zeya River, Dauria, Daur peoplePoyarkov
First winter fort on the Zeya brings conflictJan 1, 1644Labels: Zeya fort, Umelkan, Winter 1643Poyarkov
Survivors descend the Zeya to the Amur RiverMay 1, 1644Labels: Zeya River, Amur River, SurvivorsPoyarkov
Poyarkov reaches the lower Amur and Nivkh areaOct 1, 1644Labels: Lower Amur, Nivkh Gilyak, Amur estuaryPoyarkovRed Book
Second winter near the Amur mouth enables coastal departureJan 1, 1645Labels: Lower Amur, Okhotsk Sea, Coastal returnPoyarkov
Detachment sails along the Sea of Okhotsk coastJul 1, 1645Labels: Sea of, Coastal sailing, Russian coastalEuro ExplorationOkhotsk Fur
Poyarkov reaches the Ulya River winter hutsFeb 1, 1646Labels: Ulya River, Ivan Moskvitin, Winter hutsOkhotsk FurEuro Exploration
Expedition returns to Yakutsk with Amur intelligenceJul 1, 1646Labels: Yakutsk return, Amur intelligence, Poyarkov survivorsPoyarkovKhabarov