Returned Arriving from exile Removing in 1819 Count Mikhail Mikhailovich Speransky was appointed Change_of_leadership as the Governor of Siberia , with the task Confronting_problem of reforming Reforming_a_system local government .

The Russian conquest Conquering of Siberia took place Process_start in the 16th and 17th centuries , when the Khanate of Sibir had become Becoming a loose political structure of vassalages that were being undermined Destroying by the activities of Russian explorers .

The Russian conquest Conquering of Siberia began Process_start in July 1580 when some 540 Cossacks under Yermak Timofeyevich invaded Attack the territory of the Voguls , subjects to Küçüm , the Khan of Siberia .

The Russian conquest Conquering of Siberia began Process_start in July 1580 when some 540 Cossacks under Yermak Timofeyevich invaded Attack the territory of the Voguls , subjects to Küçüm , the Khan of Siberia .

Despite his personal escape Escaping , the capture Conquering of his family ended Process_end the political and military activities of Küçüm Khan and he retreated Escaping to the territories of the Nogay Horde in southern Siberia .

Public executions and deportations to Siberia eventually persuaded Convincing many Poles to abandon GiveUp armed struggle Hostile_encounter .

The Soviet NKVD sent Sending hundreds of thousands of people from eastern Poland to Siberia and other remote parts of the Soviet Union in four major waves of deportation between 1939 and 1941 .

Outside Greece , solidarity demonstrations Social_event , riots Violence and , in some cases , clashes Violence with local police also took place Process_start in more than 70 cities around the world , in Europe including Amsterdam , Barcelona , Berlin , Bordeaux , Brussels , Cologne , Copenhagen , Dublin , Frankfurt , the Hague , London , Madrid , Nicosia , Paphos , Paris , Rome and Seville and globally from São Paulo , San Francisco and Wellington to Buenos Aires and Siberia .

With an estimated initial mass of about 12,000–13,000 tonnes ( 13,000–14,000 short tons , heavier than the Eiffel Tower ) , and measuring about in diameter , it is the largest known natural object to have entered Arriving Earth 's atmosphere since the 1908 Tunguska event , which destroyed Destroying a wide , remote , forested , and very sparsely populated area of Siberia .

These factors , together with the evacuation Escaping of the Czechoslovak Legion , compelled Influence the Allied Powers to withdraw Escaping from North Russia and Siberia in 1920 , though Japanese forces occupied Control parts of Siberia until 1922 and the northern half of Sakhalin until 1925 .

These factors , together with the evacuation Escaping of the Czechoslovak Legion , compelled Influence the Allied Powers to withdraw Escaping from North Russia and Siberia in 1920 , though Japanese forces occupied Control parts of Siberia until 1922 and the northern half of Sakhalin until 1925 .