<P> The tower , which once guarded the eastern end of the city 's sea walls , was for many years attributed to Venice , to which the Byzantines ceded Thessaloniki in 1423 . It is now known that the tower was constructed by the Ottomans sometime after the army of Sultan Murad II captured Thessaloniki in 1430 . Until 1912 , an inscription in Ottoman Turkish verse above the door dated the structure to AH 942 ( 1535 -- 1536 ) . </P>
<P> The tower , which once guarded the eastern end of the city 's sea walls , was for many years attributed to Venice , to which the Byzantines ceded Thessaloniki in 1423 . It is now known that the tower was constructed by the Ottomans sometime after the army of Sultan Murad II captured Thessaloniki in 1430 . Until 1912 , an inscription in Ottoman Turkish verse above the door dated the structure to AH 942 ( 1535 -- 1536 ) . </P>
when was the white tower of thessaloniki built
when was the white tower of thessaloniki built
1430
1430