30
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
699853
59242
2

11h 48min, jan 1, 1900 y - Karl Landsteiner (1900) Identifies human blood groups

Added to timeline:

Date:

11h 48min, jan 1, 1900 y
Now
~ 124 years ago