Brownsburg-Chatham, Quebec Brownsburg-Chatham, Quebec Brownsburg-Chatham is a municipality in the Laurentides region of Quebec, Canada, part of the Argenteuil Regional County Municipality. It is located along the Ottawa River, just west of Lachute, and includes the communities of Brownsburg, Cushing, Dalesville, Greece's Point, Pine Hill, and Saint-Philippe. Economic activities include agriculture, tourism and the manufacture of explosives. It is the hometown of Gilles Lupien, retired defenceman of the Montreal Canadiens. Chatham Township was established in 1799, and named after English Statesman William Pitt, 1st Earl of Chatham (1708–1778). Mostly populated by rich American Loyalists, its post office opened in 1829 and the
John Pitt, 2nd Earl of Chatham It was around this time that he earned his nickname of 'the late Lord Chatham' due to his unpunctuality. Chatham nevertheless hung onto his office until the following December, when Pitt finally responded to pressure and moved his brother to the less responsible post of Lord Privy Seal. Two years later Chatham was promoted to Lord President of the Council. Here he stayed, remaining in office after Pitt's resignation under Henry Addington, until a cabinet reshuffle in June 1801 moved him to the post of Master-General of the Ordnance. He continued in this post until May 1810, with only a