back Sultan Abdulmejid I Date of birth25-04-1823 City of birthIstanbul State of birthOttoman Empire Date of death25-06-1861 City of deathConstantinople State of deathOttoman Empire Secondary readings Wiki link Abdulmejid’s biggest achievement was the announcement and application of the Tanzimat (reorganisation) reforms. These reforms started the modernisation of the Ottoman Empire in 1839. You must be logged in to post a comment.