Complex sentence: Hakim Abdul Majeed (1883--1922) founded an organization called Hamdard Dawakhana in Delhi in 1906; at the time, it was a small clinic and herbal medicine shop.
Split into simpler sentences: Hakim Abdul Majeed (1883--1922) founded an organization called Hamdard Dawakhana in Delhi in 1906. At that time, it was a small clinic and herbal medicine shop.