early 18th and 19th century timeline

  • louisiana territory

    louisiana territory
    was an organized incorporated territory of the United States that existed from July 4, 1805 until June 4, 1812, when it was renamed to Missouri Territory
  • prussia declares war on france

    prussia declares war on france
    The Russian army, an ally of Prussia, was still far away when Prussia declared war
  • stethoscope

    was superior to the normally used method of placing the ear over the chest, particularly if the patient was overweight. A stethoscope also avoided the embarrassment of placing the ear against the chest of a woman.