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Public Health and Sanitation Systems
Romans began public health and sanitation systems. They believed cleanliness would lead to good health. They realized bad health was related to swamps, sewage, and debris. They built a water system to get rid of the sewage and they also had built public toilets. -
Jan 1, 1492
The New World
Christopher Columbus landed in central America thinking it was Asia. He is credited as opening up the Americas to the Europeans. -
Circulation of Blood
William Harvey was the first to describe the circulation of blood to and from the heart. Before his discovery, people believed that the blood came from the liver. Harvey couldn't accept the theory so he decided to study the flow of blood in animals. -
American Revolutionary War
April 17, 1775 was the start of the American Revolutionary War. Americans wanted their freedom from Great Britain. They were willing to fight for their own separate government and country, -
Smallpox Vaccine
Edward Jenner was the first to develop a vaccine for smallpox. He used pus from a blister of a cowpox. -
The Stethescope was invented
A French Physician, Rene Laenne, invented the first stethescope -
First Successful Blood Transfusion
James Blundell performed the first successfull human blood transfusion. -
Florence Nightingale
Florecne Nightingale started the first nursing school in 1860. Her mission was the train nurses to work in hospitals, work with the poor, and to teach. -
General Anesthetic Used for Surgery
An American Surgeon, Crawford W. Long, used ether as a general anesthetic for surgery for the first time. -
Robert Koch
Robert Koch is considered the father of microbiology. He developed a method to test whether a particular micro-organism is the cause of a disease. -
Father of Pyschoanalysis
Sigmund Freud is known as the Father of Pyschoanalysis. He elaborated the theory that the mind is a more complex enerygy system. -
American Civil War
The American Civil War was fought over the secession of some southern states. The southern states were known as the Confederates and wanted to have slaves. After four years, the Confederacy surrendered and slavery was abolished everywhere. -
First use of disinfectants and antiseptics during surgery
Joseph lister began using sterile instruments, antiseptics, and disinfectants when treating patients. -
American Red Cross
Clara Barton is known was the "Angel of the Battlefield." She established the American Red Cross in Washington D.C. -
First Contact Lenses Developed
The first contact lenses were made of glass and fitted to cover the entire eye. -
X-Rays
William Roentgen, a German professor, discovered x-rays. Through his experiments and research, he came to conclusion that x-ray beams are produced by the impact of cathode rays on material objects. -
First Vaccine for Bubonic Plague
Waldemar Haffkine invented the first vaccine for the bubonic plague. -
Aspirin was Invented
Felix Hoffman used the juice from willow bark, mixed with other chemicals to create aspirin. -
Isolating Radium
Marie Curie and Andre Debierne was the first to isolate metallic radium by electrolysis. -
Armenian Genocide
The Armenian Genocide started on April 24, 1915. The Turkey government wanted all the Armenians gone. They first killed the soldiers, then the leaders/intellectuals, and finally the children and women. One and half million Armenians were killed. To this day, the Turkish government still denys that a genocide occured. -
The Father of Microsurgery
Harry J. Buncke was known as the father of micosurgery, Microsurgery is a surgery on minute body structures with the help of a microscope and other tools. He reported the first successful rabbit ear replantation. -
Penicillin
Sir Alexander Fleming discovered penicillin by chance. A mold contaminated his petri dish and Fleming realized that the new mold had killed the bacteria. -
The Holocaust
The Holocaust was a genocide of the Jews in Germany by Hitler and the Nazis. Hitler wanted all the Jews dead so he built gas chambers, concentration camps, and death camps. About six million Jews were killed in the Holocaust. -
First Blood Bank Set Up
Bernard Fantus started the first blood bank at Cook County Hospital in Chicago. -
First Kidney Transplant
The first kidney transplant was performed at the Brigham Hospital in Boston, Massachusetts. -
Polio vaccine was discovered
Jonas Salk developed the polio vaccine and announced it safe for the public. -
Amniocentesis first used.
Amniocentesis (the insertion of a needle into the womb) is first used to determine the sex of a fetus. The fluid can also be used to detect genetic defects. -
Oral Polio Vaccine
The oral polio vaccine was developed by Albert Sabin. It is the most preferred vaccine for many countries. -
"The Pill" approved in U.S.
The first orally taken contraceptive pill was approved for birth control use in the U.S. The pill was originally available by a prescription for fertility issues. -
First Heart Transplant Surgery
On December 3, 1967, Christian Barnard performed the world's first heart transplant surgery, The patient only lived for 18 days before dying to pneumonia. His heart was still beating strong in the end. -
Gene Therapy
Gene therapy was first discovered in the 1970's. Gene therapy is inserting genes into someone's cells and tissues to treat a disease. -
First Test Tube Baby
Louise Brown was the first test tube baby born in Great Britain. The process was done by Dr. Steptoe and Dr. Edwards, -
Dolly the Sheep
Dolly the sheep was the first successful cloned mammal from an adult cell of a six year old ewe. -
Hurricane Katrina
Hurricane Katrina was one of the most deadliest and destructive hurricane in the Atlantic Area. It killed almost 2,000 people and it caused $81 billion in damage. -
iPhone
The first iPhone ever was releashed to the public on June 29, 2007. Since then, there has been a total of five generations. These little electronic devices has drastically changed our lives. -
44th Presidency
Barack Obama won the 44th presidency in 2009. He is the youngest president in history and the first African American president. He won over McCain. -
Terrorist Attack
On 9/11/2001, the twin towers attacked by hijacked planes. The Pentagon and a field in Pennsylvania was also attacked by planes. The attacks killed almost 3,000 people and injuring a lot more. -
Mercury thermometer was created.
Daniel Gabriel Fahrenheit created the first mercry-in-glass thermometer. -
Began use of animal gut for suturing
Rhazes, an Arab physician discovered that cat gut could be used as suture material -
Dome of the Rock
Caliph 'Abd al-Malik built the Dome of the Rock to remember Prophet Muhammad 's Night Journey. It was built in Jerusalem at Temple Mount.