In 1867, Paris or Emerald Green (copper(II) acetoarsenite), the first chemical insecticide, used against the Colorado potato beetle,…
In 1867, the medical college for women at the New York Infirmary for Women and Children was founded….
In 1867, less than a quarter century after the Oregon Trail opened, and only eight years after Oregon…
In 1867, members of the medical department at Willamette University in Salem established the first formal medical education…
In 1867, The Medical Department of Hampden-Sydney Collegeﾒs first outpatient clinic was established.