Los Alamos and other Manhattan Project Sites developed across the US in 1942 and 1943.

In April 1945, fifty nations gathered in San Francisco, California and created The United Nations.

1st Lt. Shannon Eugene “Gener” Estill comes alive in his letters. His persona emerges from the page in conversations with his wife, Mary Kathryn Taylor Estill.

The shocking and unexpected death of beloved war correspondent Ernie Pyle spawned many efforts to memorialize his storied life.

After World War II 1.2 million Eastern European displaced persons refused to return home, creating a large-scale refugee crisis.

When President Franklin Roosevelt created the War Refugee Board in January 1944, he tasked this new government agency with rescuing and providing relief for Jews and other groups facing Nazi persecution and murder in Europe. By that time, more than five million European Jews had already been murdered. The War Refugee Board staff used creativity and the near-certainty of Allied victory to aid hundreds of thousands of people in the final seventeen months of World War II.

The Marshall Plan was a massive commitment to European recovery after World War II that was largely supported by Americans.

A week before American units liberated their first concentration camp, the US 2nd Infantry Division uncovered one of the killing centers of the Nazi regime's so-called "euthanasia" program at Hadamar, Germany.

Enemy action still raged on Saipan when 10 American Army nurses landed there on July 9, 1944. Major (then Captain) Birdie Daigle was in command of the group, who found an utterly destroyed landscape and 900 wounded civilians.

While Rosie the Riveter manned the wartime industries, the Annie Oakleys patrolled prisons as the first female guards.

Naval Reserve officer Grace Hopper was a pioneer of computing during World War II, laying the foundation for today’s technology.

Käthe Leichter (1895-1942) was a champion for working-class women in the Austrian labor movement.