Exercise 12, p. 14: check
Key:
The first stone of the Houses of Parliament was laid on the twenty-eighth of September / September the twenty-eighth, eighteen forty-three.
The Houses of Parliament opened officially on the third of February / February the third, eighteen fifty-two.
The clock tower was completed in eighteen fifty-six.
In eighteen eighty-three the telephone was introduced.
The Houses of Parliament were bombed on the twenty-ninth December / December the twenty-ninth, nineteen forty.
In two-thousand and twelve the clock tower was named Elizabeth Tower.