Complex sentence: In 1852 this group merged with those from Rideau Street, and the building was enlarged and renamed The Dominion in 1876, and was destroyed in a fire in February 1961.
Split into simpler sentences: In 1852 this group merged with those from Rideau Street, and the building was enlarged and renamed The Dominion in 1876. The building was destroyed in a fire in February 1961.