Peter Panum described the incubation period of measles and lifelong immunity after recovery from the disease
In 1846, Peter Panum described the highly contagious nature, the 14-day incubation period, and the induction of lifelong…
Ignaz Semmelweis discovered puerperal fever could be reduced with chlorine solution hand washing
In 1846, Ignaz Philipp Semmelweis, known as the ‘Savior of Mothers,’ discovered that cases of puerperal fever, also…
Lewis Caleb Beck’s “Adulteration of Various Substances Used in Medicine and the Arts” was published
In 1846, Lewis Caleb Beck’s published “Adulteration of Various Substances Used in Medicine and the Arts,” one of…
Late blight ravaged Ireland’s potato crop
In late 1845 and 1846, a summer blight ravaged Ireland’s potato crop. It is estimated that more than…
The first description of allergies was published
On Mar. 16, 1844, John Bostock, Jr., an English physician, published the first description of allergies in Medico-Chirurgical…
The Hampden-Sydney College medical department moved into its first permanent home, the Egyptian Building
In 1844, The Medical Department of Hampden-Sydney College moved into its first permanent home, the Egyptian Building.
Oliver Wendell Holmes identified the cause and prevention of puerperal fever
In 1843, Harvard Medical School dean and physician Oliver Wendall Holmes discovered the cause and prevention of childhood…
Ether used as surgical anesthetic for the first time
On Mar. 30, 1842, Dr. Crawford Long, an American physician and pharmacist in Jefferson, Georgia, used ether for…
Tornado struck Rochester and the Sisters of Saint Francis proposed building a hospital
In 1840, After a devastating tornado ripped through Rochester, Mother Alfred Moes and the Sisters of Saint Francis…
The British government passed the Vaccination Act of 1840
In 1840, the British government passed the Vaccination Act of 1840, an act that provided free vaccinations for…
German scientist Dr Jacob von Heine conducted the first systematic investigation of polio
In 1840, German scientist Dr Jacob von Heine conducted the first systematic investigation of polio and developed the…
Emil Mallinckrodt aquired land for first factory
In 1840, Emil Mallinckrodt acquired a land in the Bremen area of St. Louis, which became the site…
U.S. Congress puts $1,000 into the Congressional Seed Distribution Program
In 1839, the U.S. Congress puts $1,000 into the Congressional Seed Distribution Program, administered by the U.S. Patent…
The University of Missouri was founded
In 1839, the University of Missouri was founded after the Missouri legislature passed the Geyer Act, legislation that…
Two medical colleges merged into the Medical College of the State of South Carolina
In 1839, two medical colleges merged into the the Medical College of the State of South Carolina. In…
Emory College classes began
On Sept. 17, 1838, Emory College classes began for fifteen students. The College was founded in 1836 by…
The Medical Department of Hampden-Sydney College opened
In 1838, The Medical Department of Hampden-Sydney College opened in Hampden Sydney, Virginia. The first Dean of the…
The state territorial legislature passed a bill to establish a University of Wisconsin ‘at or near Madison, the seat of government’
In 1838, The state territorial legislature passed a bill to establish a University of Wisconsin ‘at or near…
Dr. James McCune Smith became the first African American to hold a medical degree
In 1837, Dr. James McCune Smith became the first African American to hold a medical degree. Smith, a…
University of Alabama becomes the first in the state to offer engineering classes
In 1837, the University of Alabama became the first in the state to offer engineering classes. It was…
British naturalists Charles Darwin returned to England from the voyage of the “Beagle”
On Oct. 2, 1836, British naturalist Charles Darwin returned to England from the voyage of the “Beagle.” Darwin,…
Charles Cagniard de Latour’s work with microscopes showed that yeast is a mass of cells that reproduce by budding
In 1836, Charles Cagniard de Latour’s work with microscopes shows that yeast is a mass of little cells…
The Library of the Office of the Surgeon General of the Army was established
In 1836, The Library of the Office of the Surgeon General of the Army (the present U.S. National…
Emory College was founded
In 1836, Emory College was founded by a group of Methodists in Newton County that dedicated themselves to…
Wake Forest Manual Labor Institute was founded
In 1834, The Wake Forest Manual Labor Institute was founded in Wake Forest. It was rechartered as Wake…
The term scientist was added to the English language
In 1834, the term scientist was added to the English language by William Whewell, Master of Trinity College,…
First enzyme was discovered and isolated
In 1833, the first enzyme was discovered and isolated by French chemist Anselme Payen also known for discovering…
New York mandated maritime cholera quarantine
In 1832, New York mandated in June that no ship can approach within 300 yards of any dock…
Asiatic cholera epidemic hit New York City with particular ferocity
In 1832, Asiatic cholera epidemic hit New York City with particular ferocity. Sanitary cordons, or quarantine, were the…
British naturalist Charles Darwin departed England on the voyage of the “Beagle”
On Dec. 27, 1831, naturalist Charles Darwin departed England on the British science expedition voyage of the “Beagle”…