Between AD 900 and 1150, Chaco Canyon was a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling 15 major complexes which remained the largest building...

Atahualpa (in hispanicized spellings) or Atawallpa (Quechua) was the last Sapa Inca (sovereign emperor) of the Tawantinsuyu (the Inca Empire) before the Spanish conquest. Atahualpa became emperor when he defeated and executed his older half...

The Florentine Codex is the common name given to a 16th century ethnographic research project in Mesoamerica by Franciscan friar Bernardino de Sahagún. Bernardino originally titled it: La Historia General de las Cosas de Nueva Espana (in En...

François-Dominique Toussaint Louverture, also Toussaint Bréda, was a leader of the Haitian Revolution. Born in Saint-Domingue, in a long struggle for independence Toussaint led enslaved Africans and Afro-Haitians to victory over French colo...

Nat Turner's Rebellion (also known as the Southampton Insurrection) was a rebellion of enslaved Virginians that took place in Southampton County, Virginia, in August 1831, led by Nat Turner. The rebels killed between 55 and 65 people, at le...

The Slave Trade Act sometimes called the Slave Trade Act 1807 or the Abolition of the Slave Trade Act 1807, was an Act of the Parliament of the United Kingdom passed on 25 March 1807, with the title of "An Act for the Abolition of the Slave...

Matthew Alexander Henson was an American explorer and associate of Robert Peary during various expeditions, the most famous being a 1909 expedition which claimed to be the first to reach the Geographic North Pole. Henson met Commander Ro...

The Battle of the Little Bighorn, also known as Custer's Last Stand and, by the Indians involved, as the Battle of the Greasy Grass, was an armed engagement between combined forces of Lakota, Northern Cheyenne and Arapaho people against the...

The Wounded Knee Massacre was the last major armed conflict between the Lakota Sioux and the US. After the death of Sitting Bull, a band of Sioux, led by Big Foot, fled into the badlands, where they were captured by the 7th Cavalry on Dec....

Henrietta Lacks was the unwitting donor of cells from her cancerous tumor, which were cultured by George Otto Gey to create an immortal cell line for medical research. This is now known as the HeLa cell line....

Emmett Louis Till was a 14-year-old African-American who was lynched in Mississippi in 1955, after a white woman said she was offended by him in her family's grocery store. The brutality of his murder and the fact that his killers were acqu...

The Selma to Montgomery marches were three protest marches, held in 1965, along the 54-mile (87 km) highway from Selma, Alabama to the state capital of Montgomery. The marches were organized by nonviolent activists to demonstrate the desire...

George Perry Floyd Jr. was an African American man who died during a police arrest in Minneapolis on May 25, 2020. Protests in response to both Floyd's death, and more broadly to police violence against other black Americans, quickly spread...