1960s America was marked by the literal moonshot goal of putting a man on the moon to overshadow Cold War and Vietnam War anxieties. The 60s also saw movements in civil rights, love, drugs, and music, before turning violent near the end of the decade.

In response to the segregationist black codes enacted in the South after the Civil War, the 14th Amendment expanded the civil and legal rights of all Americans, repealed the three-fifths clause and banned payments to former slaveholders for loss of human property and more.

The Hoover Dam is a marvel of human engineering, employing more than 21,000 men to construct with innovative concrete cooling techniques that had never been tested before at such a scale.

As American westward expansion pushed forward in the early 19th century, the Oregon Trail was created to offer safer passage for covered wagons before the transcontinental railroad was built.

The 19th Amendment granting American women the right to vote was finally signed into law on August 26, 1920 after decades of efforts on behalf of the Women’s suffrage movement.

Eugenics is the systematic selection and cleansing of the human gene pool through forced sterilization, euthanasia and more, but is entirely subjective and racially biased. The term “Eugenics” was coined by a cousin to Charles Darwin, Sir Francis Galton, in his 1869 publication of Hereditary Genius.

After the Civil War, President Andrew Johnson left reconstruction in the defeated southern states to the states themselves, which resulted in laws known as “black codes” designed to hinder African American progress.