Complex sentence: The Bank of Toronto was a Canadian bank, founded in 1855 by a group of grain dealers and flour millers, that merged with The Dominion Bank on February 1,1955, to form the Toronto-Dominion Bank.
Split into simpler sentences: The Bank of Toronto was a Canadian bank that was founded in 1855 by a group of grain dealers and flour millers. On February 1,1955, it merged with The Dominion Bank to form the Toronto-Dominion Bank.