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Event Number One
Anton van Leeuwenhoek discovers blood cells -
Event Number Two
Gabriel Fahrenheit created the first mercury thermometer. -
Event Number Three
Florence Nightengale is the founder of modern nursing. -
Event Number Four
Joseph Lister began using disinfectants and antiseptics during surgery. -
Event Number Five
William Roentgen discovered X-rays. -
Event Number Six
Sir Alexander Fleming discovered penicillin. -
Event Number Seven
Jonas Salk developed the polio vaccine. -
Event Number Eight
First Heart Transplant -
Event Number Nine
Clone Sheep. Dolly the Sheep -
Event Number Ten
The first vaccine to target a cause of cancer.