⏰ when
When was the human blood group system discovered?
Human BodyBlood
Quick Answer
Karl Landsteiner discovered the ABO blood group system in 1900 and 1901.
The Full Story
Around 1900, Austrian scientist Karl Landsteiner showed that human blood is not all the same. He identified the major ABO blood groups by observing that some blood samples clumped together when mixed. This discovery made safer blood transfusions possible and saved countless lives. Landsteiner later received the 1930 Nobel Prize in Physiology or Medicine for his work on blood groups.
Key Facts
1.1900–1901: ABO blood groups identified
2.Karl Landsteiner made the discovery
3.He won the 1930 Nobel Prize
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Suggested video title for this topic:
"The discovery that made transfusions safe"