America250 — 250 years since 1776. Explore two and a half centuries of American history. Start the tour
Home / On This Day
On

March 12

Prev day Today Next day

Anniversaries in American history that fall on March 12.

1947 · Eras
Truman Doctrine announced
U.S. commits to containing Soviet expansion globally
The Cold War
1947 · Concepts / Foreign Policy Doctrines
Truman Doctrine
The Cold War Policy That Committed America to Containing Communism
Truman Doctrine