After decision of Tsar Paul to annex Georgia (December 1800) and, after Paul's assassination (11 March 1801), the activist policy followed by his successor, Alexander I, aimed at establishing Russian control over the khanates of the eastern Caucasus. In 1803, the newly appointed commander of Russian forces in the Caucasus, Paul Tsitsianov, attacked Ganja. After Mohammad Khan Qajar invasion of Tbilisi, which Javad Khan fought alongside Agha Muḥammad Khān, Tsitsianov wrote a letter to Javad Khan, demanding a voluntary surrender: