Context of William the Fourth, by the Grace of God, of the United Kingdom of Great Britain and Ireland, King, defender of the faith, a proclamation : whereas, at an Executive Council held at the Castle of St. Lewis, in our city of Quebec, on the eighteenth day of April, in the year of Our Lord one thousand eight hundred and thirty-six, it was ... judged probable that the disease, called the asiatic cholera, might be brought from any port or ports in Europe or elsewhere by ships and vessels ..