White House Biography
From the official White House site

The American President: Harry S. Truman
Another finely detailed biography

Harry S. Truman
Wikipedia bio of the president

Harry S. Truman
Biography from the Internet Public Library

World War II
Began in Europe and Asia and spread to the rest of the world

The Election of 1944
Truman becomes vice-president

The Atomic Bomb
It was Truman's ultimate decision to drop it.

The United Nations
Truman helped get it off the ground.

The Truman Doctrine
Strong statement against the spread of communism

The National Security Act of 1947
Reorganized the military and its structures

The Marshall Plan
Helped Western Europe get back on its feet

The Taft-Hartley Act
Strong law curtailing labor power, passed over Truman's veto

Cold War Berlin
Truman was president during the Berlin Airlift.

The Election of 1948
Truman lost to Dewey; or did he?

The Korean War
Struggle to contain Communism

The McCarthy Era
How one man made much of a nation tremble