Complex sentence: The coat of arms of Birmingham-the heraldic emblem of the English city of Birmingham-was first used in 1838 and has changed several times since, as the former town grew and developed into a city.
Split into simpler sentences: The coat of arms of Birmingham is the heraldic emblem of the English city of Birmingham. It was first used in 1838 and has been changed several times since, as the former town grew and developed into a city.