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
William Pitt, 1st Earl of Chatham the observance of the Treaty of Paris by France and Spain, tension between American colonists and the mother country, and the status of the East India Company. Chatham set about his duties with tempestuous energy. One of the new ministry's earliest acts was to lay an embargo upon corn, which was thought necessary in order to prevent a dearth resulting from the unprecedented bad harvest of 1766. The measure was strongly opposed, and Lord Chatham delivered his first speech in the House of Lords in support of it. It proved to be almost the only measure introduced by his government