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Paratroops landing in the Netherlands during Operation Market Garden in September 1944

Operation Market Garden

Operation Market Garden was an unsuccessful British-American airborne invasion of the Netherlands (Holland) during World War II that lasted September 17-25, 1944. It was the largest airborne operation of the war, involving more than 34,000 airborne troops. Background Operation Market Garden was intended to advance the Allies across the Rhine River into Germany’s industrial heartland. …Read More

Battle of Yorktown: "Surrender of Lord Cornwallis," by John Trumbull

Battle of Yorktown

The Battle of Yorktown (September 28 – October 19, 1781; also called the Siege of Yorktown) was the last major land battle of the American Revolutionary War. After almost 2 weeks of being under siege, the British troops at Yorktown, Virginia, surrendered to combined American and French forces, signaling the beginning of the end of …Read More

Wreckage from the Galveston, Texas, Hurricane in 1900

1900 Galveston Hurricane

Summary On September 8, 1900, Galveston, Texas, was struck by a category 4 hurricane that decimated the island and killed thousands of people, making it the deadliest natural disaster in U.S. history. Great Galveston Hurricane The day before the hurricane struck, heavy swells were noticed in the Gulf, and by the early morning of the …Read More

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Frederick Douglass, circa 1879

Frederick Douglass

Frederick Douglass (c. 1818 – February 20, 1895) was an American activist, speaker, and author who advocated for the abolition of slavery, for women’s rights, and for other causes. Early Life, Enslavement & Escape Frederick Augustus Washington Bailey was born into slavery on Maryland’s Eastern Shore around 1818 and was raised primarily by his maternal …Read More

Sojourner Truth

Sojourner Truth (c. 1797 – November 26, 1883) was an American activist for abolitionism, women’s rights, universal suffrage, and other causes.  Early Life Sojourner Truth was born Isabella Baumfree (or Bomefree) around 1797 in Dutch-speaking New York to enslaved parents. Sold away from her family in childhood, Isabella was owned by several abusive enslavers. In …Read More

Lake Nyos, 1986

Lake Nyos Disaster

On August 21, 1986, a rare natural disaster occurred in the West African country of Cameroon when a large cloud of carbon dioxide gas erupted from Lake Nyos (Nios), a deep volcanic crater lake.  Background The event, known as a limnic eruption, occurs when carbon dioxide (CO2) builds in colder, deep lake water, creating a …Read More

A street view following the Halifax Explosion in 1917

Halifax Explosion

On the morning of December 6, 1917, two ships collided in Halifax Harbor, Nova Scotia, resulting in a massive blast that ultimately killed 2,000 people in the largest man-made explosion prior to the atomic age. Background Halifax was a wartime boomtown during World War I, and ships loaded with troops, munitions, and supplies sailed in …Read More

Opening of the League of Nations, 1920

League of Nations

The League of Nations (1920-1946) was an international organization headquartered in Geneva, Switzerland, created after World War I to establish world peace and prevent another global war. Creation of the League The onset and escalation of World War I built support in many countries for the creation of a multinational body to ensure world peace. One …Read More

Electoral College map from 1896

U.S. Electoral College

The president and vice president of the United States are elected through the U.S. Electoral College, which is outlined in Article II, Section 1, of the U.S. Constitution. The Electoral College is composed of “electors” chosen by the voters of each state (plus Washington DC) to cast their state’s electoral votes in a presidential election. …Read More

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