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To declare peace in World War I with Germany, Austria, and Hungary, President Harding signed a Congressional resolution in 1921. -
The magazine was founded in 1922. The very first issues were published by Dewitt and Lila Wallace. -
The U.S. Secretary of the Interior rented the Teapot Oil Reserves in Wyoming in 1922 thus starting the scandal. -
Time Magazine becomes one of the most influencial media companies of the 20th century. It was first published in 1923. -
The founders of Warner Bros. Entertainment Inc. are the four brother: Harry Warner, Albert Warner, Sam Warner, Jack L. Warner. It was founded by the four gentlemen in 1923. -
Lee de Forest uses his Phonofilm to show the first sound on a film motion picture in the Rivoli Theatre in New York City. -
Sixteen nations participated in the first Winter Olympics including America, but Norway won a grand total of eighteen medals in the games in 1924. -
International Business Machines Corporation is a technology corporation located in Armonk, New York. -
President Coolidge successfully retained the White House for the Republicans in 1924. -
In other words called The Monkey Trial, this trial eventually convicted a high school teacher in Dayton, Tennessee, John T. Scopes, that he did in fact teach the evolutionary theory. He was charged $100 for disobeying the Tennessee law against such teachings. -
The iconic music stage eventually becomes the longest-running radio broadcast in America history. It is located in Nashville, Tennessee where transmitted its very first radio broadcast in 1925. -
His test of the very first liquid fueled rocket occured in Auburn, Massachusetts, 1926 where the rocket flew 184 feet in 2.5 seconds. -
Founded by Westinghouse, General Electric, and RCA in 1926, this radio network open 24 different stations. -
The flooding started on April 22 and finally ceased on May 5, 1927. It killed nearly 1,000 people and affected 700,000 more. -
Al Jolson in The Jazz Singer becomes the very first motion picture with talking, occurring in 1927. -
In animated short film created by Walt Disney and Ub Iwerks, the iconic mouse couple appeared for the very first time on film. -
Brave Amelia Earhart dared to fly over the Atlanic Ocean and succeed, becoming the first woman to fly over the Atlantic. -
With 444 Electoral College votes, Republican Hoover won the position of the President of the United States in 1928. -
Congress approves the construction of "the greatest dam in the world" in 1928. -
An estimated $50 billion were lost in the crash lasting until 1931. This is undoubtably what started The Great Depression in America. -
The astronomer in America was able to spot the tiny planet in 1930 in the Lowell Observatory in Flagstaff, Arizona. Tombaugh also strongly believed in the sightings of UFO's. -
This census counted a population total of 123,202,624 living in America in 1930. -
This tariff act's rate hikes slash world trade. It was effectively signed by President Herbert Hoover in 1930. -
President attempts to combat the depression sinking into America because of the stock crash the year before by asking Congress to pass a $150 million work project to help the unemployed. Meanwhile, people hungry and jobless wait in line for free food, hoping to eat their next meal. -
President Hoover and Congress both approve of the song written by Francis Scott Key should become our national anthem. Some of the lyrics were used from the original song but some were also inspired by Key's lyrics. -
This Democratic president would serve four terms in office and pull America through the depression and World War II. -
Under the Federal Unemployment Relief Act, the CCC provided jobs for 2.5 million men out of work for the next nine years. -
The novel written by Margaret Mitchell, was published in 1936. -
At first, the famous bridge in San Francisco, California was for pedestrian traffic but then became a way for vehicles to travel on it as well. -
After Germany's invasion on Poland, the United States decided to stay out of what Hilter was doing. This act began World War II. -
Japanese fighters surprise attacked the U.S. troops stationed in Pearl Harbor, Hawaii. We lost 1,177 soldiers and marines in the attack. This was the spark that sent America raging into World War II.