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
Earl of Bellomont died without surviving male issue in 1766. The late Earl was succeeded in the barony of Coote by his first cousin once removed, Charles Coote, who became the fifth Baron. Charles was the son of Charles Coote (1695–1750), Member of Parliament for County Cavan, son of the Honourable Thomas Coote, a Justice of the Court of King's Bench (Ireland), younger son of the first Baron. On 4 September 1767 the earldom of Bellomont was created for the third time when Charles was made Earl of Bellomont (although the title was probably erroneously spelled "Bell"a"mont" in the letters patent). On 18