Question: Where did the first blood transfusion take place?
Disambiguated questions and answers: question: Where did the first animal to human blood transfusion take place?
Where did the first human to human blood transfusion take place?
Where did the first sucessful whole blood transfusion take place?
answer: France
Britain
St George's Hospital Medical School, London
London, England
Natural Questions answer: in the 1660s (from the Wikipedia article "Blood transfusion")