Complex sentence: The Eaton's store was later converted to a Zellers in the early 1990s and with the purchase of Zellers by Target in 2012 was reopened as a Target store in 2013.
Split into simpler sentences: The Eaton's store was converted to a Zellers in the early 1990s. Target purchased most Zellers stores in 2012, and reopened it as a Target store in 2013.