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The ancient movement of peoples from Siberia to North America, occurring across a land bridge called Beringia during the last Ice Age, approximately 15,000 to 30,000 years ago. -
Christopher Columbus's expedition reached the Americas on October 12, 1492, when he landed on an island in the Bahamas that he named San Salvador. Sponsored by the Spanish monarchs, he had set out to find a western sea route to Asia, but instead reached the Caribbean. -
A document approved by the Continental Congress on July 4, 1776, that announced the separation of the 13 North American colonies from Great Britain. -
An act of Congress passed in 1800 made it illegal for Americans to engage in the slave trade between nations. -
This attack is considered the event that triggered the Civil War. -
He was the first U.S. president to be assassinated. His funeral and burial were marked by an extended period of national mourning. -
The "separate but equal" doctrine became constitutional in the 1896 Supreme Court case Plessy v. Ferguson. This ruling held that racial segregation was constitutional as long as the facilities provided for each race were equal in quality, a principle that legitimized segregation laws across the United States for decades. -
The assassination of Austrian Archduke Franz Ferdinand on 28 June 1914 set off a chain of events that led to war in early August 1914. -
The german armies were defeated and their hungry citizens were beginning to rebel. As early as 29 September German General and Stategist Erich Ludendorff decided that a cessation of hostilities must be sought. The need became more urgent as Germany's allies began to drop out of the war. -
World War II started on September 1, 1939, when Germany invaded Poland. In response, Great Britain and France declared war on Germany two days later, on September 3, 1939. -
World War II ended due to a combination of factors, most notably the Allied forces closing in on Germany from both the east and west, leading to its unconditional surrender in May 1945, and the subsequent atomic bombings of Hiroshima and Nagasaki by the U.S., which prompted Japan's unconditional surrender in August 1945 -
The Court unanimously ruled that racial segregation in public schools was unconstitutional, stating that "separate educational facilities are inherently unequal". -
Law that outlawed discrimination based on race, color, religion, sex, and national origin, ending segregation in public places like restaurants and theaters, and making employment discrimination illegal. -
The Voting Rights Act of 1965 is a landmark U.S. federal statute that prohibits racial discrimination in voting. -
On November 4, 2008, Obama became the first African-American to be elected President. -
Black Lives Matter was founded in 2013 by three Black organizers—Alicia Garza, Patrisse Cullors, and Opal Tometi—in response to the acquittal of George Zimmerman in the shooting death of Trayvon Martin. The movement started as the social media hashtag #BlackLivesMatter and has since grown into a worldwide movement advocating against systemic racism and police violence. -
Kamala Devi Harris is an American politician and attorney who served as the 49th vice president of the United States from 2021 to 2025 under President Joe Biden. She is the first female, first African American, and first Asian American U.S. vice president, and the highest-ranking female and Asian American official in U.S. history.