Search examples: Microsoft | 2015 | 2014/10 | 4.12 | 04/20 | 05/26/1980 | Galileo Galilei
  1. Home
  2. Events
  3. Detail of event

Salk polio vaccine safe &...

event · 12 April 1955 · 70 years ago

Salk polio vaccine safe & effective; 4 billion dimes marched

More events on 12 Apr

© 2016 OnThisDay.net All rights reserved.
Loaded in 0.0025s.