Jun 4 Willem F Mauritius HK, prince of Orange, dies at 74 Jun 12 Jean Victor de Constant Rebecque, Swiss-Dutch army leader, dies at 77 Jun 16 William Lawson explorer of New South Wales, Australia (b. 1774) Jun 18 Antoni Weinert, Polish flutist and composer, dies at 99 1849 Famous Deaths by Year 1851