In this post, students will learn about an inscription hidden inside President Abraham Lincoln's watch that was a secret until the Museum investigated further in 2009. The message was put there by watchmaker Jonathan Dillon, who was repairing Lincoln's watch when the first shots were fired on For

In this post, students will learn about the concept of eco-cities (cities designed to be in balance with nature) and their impact on the sustainability movement. Written by Art Molella, Jerome and Dorothy Lemelson Director of the Lemelson Center for the Study of Invention and Innovation, thi

In this post, students will learn about the thousands of American women who volunteered in World War I through their uniforms. Most of the women's uniforms in the Museum's collections from WWI belong to civilian relief and welfare organizations, like the Salvation Army, not to the armed forc

In this post, students will learn about the origins of the holiday known today as Halloween, and the history of its celebration in the United States, including trick-or-treating and costumes. All-Hallows-Even (that is, evening) is the night before All Hallows Day. The apostrophe in the earlier sp

In this post, students will read a short biography of Samuel Morse, inventor of the telegraph. Even in his day, he was a controversial figure, but today he is remembered for his creativity—an artist who became interested in a novel technology and helped lay the foundation for a revolution in co

In this post, students will discover the history of electric car technology over the course of the last century. In the early 20th century, motorists had a choice of electric, steam, or gasoline cars, and it wasn’t clear that any one type would dominate the market. Electricity was beginnin

In this post, students will learn about the spring and summer of 1961, when more than 400 Americans became Freedom Riders. They did so knowing full well that the simple act of violating long-held traditions of racial segregation and white supremacy would almost certainly lead to arrest

In this post, students will learn about Alice Paul, a suffragist who was jailed while working to get the vote for women. During her graduate studies in England, Paul became exposed to the confrontational tactics of the English "suffragettes," and when she returned to the United States she adapted

In this post, students will learn about the Greensboro Four, college freshmen who sat down at the whites-only Woolworth’s lunch counter in Greensboro, North Carolina and asked to be served. Students will also learn why that lunch counter is currently on exhibit at the Museum. This post is

This post helps teachers understand how to both memorialize September 11 and contextualize the history of the day through five essential questions. Targeted toward secondary students, the questions can help teachers and students compare aspects of September 11 to other events in American his