mar 23, 1921 - Heart Disease becomes leading cause of death in US
Description:
In 1921 heart disease surpassed pnuemonia as the leading cause of death in the United States and it remains to be the leading cause of death for Americans. The death rate from heart disease peaked in 1968 and has steadily declined since.Added to timeline:
Date:
mar 23, 1921
Now
~ 104 years ago