Events in History Jun 7 David Thompson reaches the mouth of the Saskatchewan River in Manitoba Jun 14 Battle of Marengo (Alessandria): Bonaparte vs Austria Jun 29 Free mason lodge establishes in Alkmaar Birthdays in History Jun 1 Edward Deas Thomson, Australian politician (d. 1879) Jun 23 Karol Marcinkowski, Polish physician and social activist (d. 1846) Deaths in History Jun 7 Willem Arnold Alting, Dutch governor-general of Dutch East Indies (1780-97), dies at 75 Jun 14 Louis Charles Antoine Desaix, French military leader (b. 1768) Jun 14 Jean-Baptiste Kléber, French general, dies at 47 Jun 20 Abraham Gotthelf Kästner, German mathematician, dies at 80 1799 Pure History by Year 1801 Historical Figures Authors Civil Rights Activists Inventors Kings Revolutionaries Scientists