- Back to Modern History SourceBook Modern History Sourcebook: Catherine the Great Catherine II (l762-1796), a German princess who became Empress of Russia after disposing of her ineffectual husband was one of the most successful European monarchs. She followed Peter the Great in seeing Russia (which had been part of an Asian Empire for centuries) as European Power. Among her other achievements, ...www.fordham.edu/halsall/mod/18catherine.html