In this spoken word piece, Elizabeth Acevedo addresses the beauty standard that is epitomized by fair skin and straight hair.

Why do we dance? African-American social dances started as a way for enslaved Africans to keep cultural traditions alive and retain a sense of inner freedom. They remain an affirmation of identity and independence. In this electric demonstration, packed with live performances, choreographer, educator and TED Fellow Camille A. Brown explores what happens when communities let loose and express themselves by dancing together.

Slavery has occurred in many forms throughout the world, but the Atlantic slave trade-which forcibly brought more than 10 million Africans to the Americas-stands out for both its global scale and its lasting legacy. Anthony Hazard discusses the historical, economic and personal impact of this massive historical injustice.

Two memorials have been built in commemoration of Abraham Lincoln's Emancipation Proclamation-one in 1896 and 1998. And while they both pay tribute to the same event, they depict the African Americans within them in very different lights.

Regarded as one of the most important speeches in American history, it was delivered by Booker T. Washington as a plea for racial cooperation in the South during a time of deep racial prejudice.

In 1916, one family battled against the unjust laws aimed at immigrants of Japanese ancestry. In doing so, they lent their own voices to the growing chorus of Asian Americans insisting: "We belong here."

One of the earliest assaults on segregated transit in the South occurred in Louisville, Ky., in 1870-71. There, the city’s black community organized a successful protest that relied on nonviolent direct action, a tactic that would give shape to the modern civil rights movement nearly a century later.

In Boston, widely regarded as the center of the abolitionist movement, black leaders called on citizens to resist the newly passed Fugitive Slave Law in 1850 in order “to make Massachusetts a battlefield in defense of liberty.”

In this excerpt from his book, Walking with the Wind, John Lewis describes his involvement in the sit-ins in Nashville, Tenn., in the spring of 1960.