Do you know your blood type? If not, why not?

Blood types – PART A
Blood types are a 20-million-year mystery

This is the basics on BLOOD TYPES (This is a “Mainstream” video)
Karl Landsteiner was a Rockefeller Institute employee, Rockefeller’s are Rothschild Agents.
We know where all the different blood types originated.  
Blood types  РPART B
What Your Blood Type Says About Your Personality