Russian Empire
Though the Empire was only officially proclaimed by Tsar Peter I following the Treaty of Nystad (1721), some historians would argue that it was truly born either when Ivan III of Russia conquered Veliky Novgorod in 1478, or when Ivan the Terrible conquered the Khanate of Kazan in 1552. According to another point of view, the term "Tsardom", which was used after the coronation of Ivan IV in 1547, was already a contemporary Russian word for empire.
Empire of Japan–Russian Empire relations
In 1902 Japan and the British Empire forged the Anglo-Japanese Alliance, which would last until 1923. The purpose of this alliance was to contain the Russian Empire in East Asia. In response to this alliance, Russia formed a similar alliance with France and began to renege on agreements to reduce troop strength in Manchuria. From Russian perspective, it seemed inconceivable that Japan, a non-European power which was considered to be undeveloped (i.e. not-industrial), and almost bereft of natural resources, would challenge the Russian Empire. This view would change when Japan started and won the Russo-Japanese War (1904–05).