I came here to study ofloxacin and metronidazole suspension uses for baby in gujarati Above my right elbow stood the 15th century Rumelian Castle. Built by the Ottomans in under five months, the fortress aimed to choke off aid to the Byzantines from their Orthodox brethren in Russia. In the end, help never came, and Sultan Mehmet took Istanbul, then known as Constantinople, less than a year later.