Pvt. Eddie Slovik holds a grim distinction in US military history, being the only American service member executed for what offense since the Civil War?

What famously ironic last words are attributed to Union General John Sedgwick during the American Civil War?

To effectively open gunpowder pouches during the American Civil War, soldiers were required to have at least how many opposing front teeth?

What was the leading cause of death for soldiers on both sides during the American Civil War?

After the American Civil War, some Confederate sympathizers established new communities in which South American country, even naming some 'Americana' and 'New Texas'?

To undermine the Confederate economy during the Civil War, what drastic measure did the Union employ regarding Confederate currency?

Arlington National Cemetery, a hallowed ground for US military personnel, was established on the former estate of which Confederate General?

Who were the very first individuals to participate in American Civil War reenactments?

During the American Civil War, what could a wealthy drafted man do to avoid military service?

In 1862, Abraham Lincoln wrote a thank you letter to workers in which UK city for their support of the anti-slavery stance during the Civil War?