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 short interval out of office in 1806-7. He became the General Officer in Command of the Eastern District in 1806. In 1798 Chatham returned to the army. He was appointed to command a brigade in the Helder campaign in 1799. He was wounded by a spent ball at the Battle of Castricum on 6 October. After this he served as commander of various military districts, but for some reason was passed over in favour of Arthur Wellesley for a command in the Peninsular War. In May 1809 the Secretary of State for War, Lord Castlereagh, offered Chatham the command of