Sentence:  At the beginning of the Hippodrome I saw the Kaiser 's Fountain , an ugly octagonal building with a glass dome , <WSD>built</WSD> in 1895 by the German Emperor , and on my left , directly across from it , the tomb of Sultan Ahmet , who constructed the Blue Mosque , more properly known by his name . 
Meaning of the word marked with <WSD> tags:  make by combining materials and parts