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Warren Gamaliel Harding was the 29th president of the United States serving from 1921 until his death in 1923. He was a member of the Republican Party and one of the most popular sitting U.S. presidents.
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Lincoln Memorial finished built and located on the opposite end of the National Mall.
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Warren Harding died by a heart attack while serving as president.
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Calvin Coolidge was the 30th president of the United States from 1923 to 1929. A Republican lawyer from New England, born in Vermont, Coolidge worked his way up the ladder of Massachusetts state politics, eventually becoming governor of Massachusetts. Calvin Coolidge became the president after Warren Harding died by a heart attack.
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Mount Rushmore National Memorial is a massive sculpture carved into Mount Rushmore in the Black Hills region of South Dakota. Completed in 1941 under the direction of Gutzon Borglum and his son Lincoln, the sculpture's roughly 60-ft.-high granite faces depict U.S. presidents George Washington, Thomas Jefferson, Theodore Roosevelt and Abraham Lincoln.
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Herbert Clark Hoover was an American politician and engineer who served as the 31st president of the United States from 1929 to 1933 and a member of the Republican Party, holding office during the onset of the Great Depression.
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The Wall Street Crash of 1929, also known as the Great Crash, was a major American stock market crash that occurred in the autumn of 1929. It started in September and ended late in October, when share prices on the New York Stock Exchange collapsed.
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Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. It was constructed between 1931 and 1936 during the Great Depression and was dedicated on September 30, 1935, by President Franklin D. Roosevelt.
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The Empire State Building was completed in New York City.
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Franklin Delano Roosevelt, often referred to by his initials FDR, was an American politician and attorney who served as the 32nd president of the United States from 1933 until his death in 1945.
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The Social Security Act is passed by Congress as part of the New Deal legislation and signed into law by President Franklin D. Roosevelt.
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World War II was a conflict between 1939 and 1945 that involved all the world's major countries. It was the most destructive war in history and millions of people were killed. It was fought between the Axis (Germany, Japan, and Italy) and the Allies (Britain, the US, and the Soviet Union among others).
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The attack on Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii, just before 08:00 a.m., on Sunday, December 7, 1941.
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The United States officially entered World War 2 on December 11, 1941. Mobilization began when the United States declared war on Japan on December 8, 1941, one day after the attacks on Pearl Harbor.