Scientist Percy Julian overcomes racial barriers, Claudette Colvin refuses to give up her bus seat months before Rosa Parks's famous protest, and Joe Louis fights German boxer Max Schmeling.

The U.S. reluctantly accepts the Statue of Liberty, Sybil Ludington goes on an epic ride to warn of a British attack, and journalist Nellie Bly infiltrates a corrupt mental institution.

Alan Freed becomes one of the first radio DJs to broadcast rock 'n' roll, Kris Kristofferson gets his big break with some help from his hero, Johnny Cash, and Sylvia Robinson creates The Sugarhill Gang. Featuring Johnny Knoxville, Jack McBrayer and Retta. Written by Anonymous

Abraham Lincoln tries to avoid assassination on the way to his inauguration, Francis Scott Key writes The Star-Spangled Banner, and Edgar Allan Poe feuds with Rufus Griswold. Featuring Charlie Day, Adrianne Palicki, Jesse Plemons and Jason Ritter. Written by Anonymous

Charles Sumner gets caned on the Senate floor, Judge J. Waties Waring helps to end segregation, and a slave named Robert Smalls commandeers a Confederate warship. Featuring Patton Oswalt, Johnny Knoxville, Busy Philipps and Brandon T. Jackson. Written by Anonymous

Orson Welles's Citizen Kane angers William Randolph Hearst, animator Ub Iwerks helps Walt Disney create Mickey Mouse, and Nancy Reagan convinces her movie-star husband to enter politics. Featuring Jack Black, Tony Hale, Nick Kroll and John Lithgow. Written by Anonymous

James Cook discovers Hawaii and parties with the natives, Japanese-American Daniel Inouye fights heroically in World War II, and Eddie Aikau becomes one of the world's greatest big wave surfers.

Baron von Steuben helps train the Continental Army, John Adams and Thomas Jefferson campaign against each other for president, and Benedict Arnold betrays George Washington's army.

Jim Thorpe is named the greatest athlete of the 20th century, Babe Didrikson breaks down gender barriers in sports, and Jim Abbott achieves prominence as a pitcher despite having only one hand. Featuring Jason Momoa, Zach Gilford and Emily Deschanel. Written by Anonymous

Frances Cleveland becomes the youngest first lady ever, Edith Wilson runs the country after Woodrow Wilson's stroke, and Dolley Madison saves several artifacts from destruction. Featuring Courteney Cox, Bobby Moynihan, Alia Shawkat and Casey Wilson. Written by Anonymous