<P> Construction of the tower occurred in three stages over 199 years . Work on the ground floor of the white marble campanile began on August 14 , 1173 during a period of military success and prosperity . This ground floor is a blind arcade articulated by engaged columns with classical Corinthian capitals . </P>
<P> Construction of the tower occurred in three stages over 199 years . Work on the ground floor of the white marble campanile began on August 14 , 1173 during a period of military success and prosperity . This ground floor is a blind arcade articulated by engaged columns with classical Corinthian capitals . </P>
when did they start building the leaning tower of pisa
when did they start building the leaning tower of pisa
August 14 , 1173
August 14 , 1173