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400
Dark Ages and Middle Ages
The dark ages and middle ages went from 400-1400 AD -
Jan 1, 1542
Mississippi River
Spanish explorer Hernando de Soto discovered the Mississippi River -
Microscope
Dutch lens grinder Zacharius Jannssen invents the microscope -
Jamestown
John Smith founded the Jamestown Settlement -
Blood
William Harvey publishes An Anatomical Study of the Motion of the Heart and of the Blood in Animals, describing how blood is pumped throughout the body by the heart, and then returns to the heart and recirculates -
Sir Christopher Wren
Doing experimenting on dogs, Sir Christopher Wren was the first to administer medications by means of an animal bladder attached to a sharpened quill. Wren also experimented with canine blood transfusions -
Anton Van Leeuwenhoek
Anton van Leeuwenhoek refines the microscope and discovers blood cells and observes animal and plant tissues and microorganisms -
Charles Town
Charles Town was founded -
Illinois Country
Louis Jolliet and Jacques Marquette began to explore the Illinois Country -
Dominion of New England
The Dominion of New England was established -
War of the Grand Alliance
War of the Grand Alliance -
First Great Awakening
First Great Awakening -
Scurvy
James Lind , a naval surgeon, discovered that citrus fruits prevent scurvy -
James Lind
James Lind publishes his "Treatise of the Scurvy" identifying the cure for this common and dangerous disease of sailors -
French and Indian War
French and Indian War -
Battle of Bunker Hill
Battle of Bunker Hill -
Bank of North America
The Bank of North America was chartered -
James Blundell
James Blundell performs the first successful transfusion of human blood -
Elizabeth Blackwell
Elizabeth Blackwell is the first woman to receive a medical degree -
Dr. Horace Wells
Dr. Horace Wells uses nitrous oxide as an anesthetic -
Cholera
First vaccine for cholera -
Anthrax
First vaccine for anthrax -
Rabies
First vaccine for rabies -
Antitioxins
Emil von Behring discovers antitoxins and uses them to develop tetanus and diphtheria vaccines -
X Rays
German physicist Wilhelm Conrad Roentgen discovers X rays -
Marie Curie isolated radium
Marie Curie isolated radium -
Typhus
First vaccine for typhus -
Influenze
First vaccine for influenza -
Paul Zoll
Paul Zoll develops the first cardiac pacemaker to control irregular heartbeat -
Measles
First vaccine for measles -
Heart Transplant
Dr. Christiaan Barnard performs the first human heart transplant -
Mumps
First vaccine for mumps -
Chicken Pox
First vaccine for chicken pox -
Test-Tube Baby
First test-tube baby is born in the U.K. -
Smallpox
Persian physician Rhazes is the first to identify smallpox, as distinguished from measles, and to suggest blood as the cause of infectious disease