The railroad was the primary mode of transportation for vaudeville performers, as it allowed them to travel long distances quickly and efficiently.

New York City was considered the 'hub' of the vaudeville circuit due to its large population, diverse entertainment scene, and numerous theaters.

Vaudeville performances were typically short, lasting around 15-20 minutes, in order to accommodate the variety of acts and keep the audience engaged.

Comedy was the most popular type of act on the vaudeville circuit, as it appealed to a wide range of audiences and could be easily adapted to different venues.

The Orpheum Circuit was the vaudeville circuit that ran from New York City to San Francisco, and it was one of the most successful and longest-running circuits in history.

Will Rogers was known as the 'King of Comedy' on the vaudeville circuit due to his witty and observational humor, which often poked fun at politicians and social issues.

The Palace Theatre was a vaudeville theater that was located in Times Square, New York City, and it was known as the 'Showplace of the Nation' due to its lavish productions and star-studded lineup.

Sophie Tucker was known as the 'Queen of Burlesque' on the vaudeville circuit due to her risqué and provocative performances, which often featured suggestive dancing and bawdy humor.

The Eastern Seaboard Circuit was the vaudeville circuit that ran from Boston to Washington, D.C., and it was one of the most important circuits in the Northeast.

George Jessel was known as the 'Master of Ceremonies' on the vaudeville circuit due to his ability to introduce acts and keep the show moving smoothly.

The Chicago Theatre was a vaudeville theater that was located in Chicago, Illinois, and it was known for its elaborate stage productions and star-studded lineup.

Louis Armstrong was known as the 'King of Jazz' on the vaudeville circuit due to his virtuosic trumpet playing and his innovative approach to jazz music.

The Western Circuit was the vaudeville circuit that ran from Minneapolis to Denver, and it was one of the most important circuits in the West.

Lillian Russell was known as the 'First Lady of the American Stage' on the vaudeville circuit due to her beauty, talent, and longevity in the business.

The Orpheum Theatre was a vaudeville theater that was located in San Francisco, California, and it was known for its ornate architecture and star-studded lineup.