A sermon preach'd before the Honourable House of Commons, at the Church of St. Margaret Westminster. On Tuesday, Nov. 22. 1709. Being the day of thanksgiving for the signal and glorious victory obtained near Mons, and for the other great successes of Her Majesties arms, this last year, under the command of the Duke of Marlborough By Samuel Clark, D.D. rector of St. James's Westminster, and Chaplain in Ordinary to Her Majesty