 Beginning in 1866, he began declaring his mission as a Messenger of God in letters to the world's religious and secular rulers, including Pope Pius IX, Napoleon III, and Queen Victoria.He produced over 18,000 works in his lifetime, in both Arabic and Persian, of which only 8% have been translated into English.Baháʼu'lláh was banished by Sultan Abdülaziz a final time in 1868 to the Ottoman penal colony of ʻAkká, in present-day Israel.