The Boston Tea Party was a political protest by the Sons of Liberty on December 16, 1773. The demonstrators, some disguised as Native Americans, in defiance of the Tea Act of May 10, 1773, destroyed an entire shipment of tea sent by the East India Company. The British government responded harshly and the episode escalated into the American Revolution.

Forced to flee during a Japanese assault on Bataan in 1942, Douglas MacArthur famously promised "I shall return". He did, in fact, return and was awarded the Medal of Honor for his defense of the Philippines.

The Three-Fifths Compromise was a compromise reached between delegates from southern states and those from northern states during the 1787 United States Constitutional Convention. The debate was over whether, and if so, how, slaves would be counted when determining a state's total population for legislative representation and taxing purposes.

John Hancock is remembered for his large and stylish signature on the United States Declaration of Independence, so much so that the term "John Hancock" has become a synonym in the United States for one's signature.

On February 14, 1962, Jacqueline took American television viewers on a tour of the White House with Charles Collingwood of CBS News. The film was watched by 56 million television viewers in the United States and was later distributed to 106 countries. She won a special Emmy Award in 1962, which was accepted on her behalf by Lady Bird Johnson.

On April 14, 1865, during an evening performance of Our American Cousin, John Wilkes Booth entered the State Box where Abraham Lincoln and his wife were watching the play with Clara Harris and Henry Rathbone. Lincoln's bodyguard, a Metropolitan Police Officer named John Parker, had left his post. Booth placed a Derringer pistol in the back of Lincoln's head and fired at point-blank range. Nine hours later, in spite of the best efforts of Lincoln's doctors, the President died.

The world's first postage stamp, the Penny Black, which featured a portrait of Queen Victoria, was introduced by Great Britain in 1840. Initially resisted by the public who didn't like the idea of pre-paying for mail delivery, the postage stamp eventually took off, and the method was quickly adopted by other countries.

When David Edgerton opened the first Burger King Restaurant in 1954, he sold hamburgers for just 18 cents!

Although it was not the official title during his day, Sir Robert Walpole is generally considered the first Prime Minister of the United Kingdom. He served during the reigns of George I and George II, from 1721 to 1742, making his administration the longest in British history.

The bombardment and surrender of Fort Sumter, near Charleston, South Carolina (April 12-14, 1861), started the American Civil War. The Battle of Shiloh, also known as the Battle of Pittsburg Landing, was another major battle in the American Civil War, fought April 6-7, 1862, in southwestern Tennessee.