Memorial Day marks the 100th anniversary of the 1921 Tulsa race massacre, one of the deadliest episodes of racial violence in U.S. history, when the thriving African American neighborhood of Greenwood in Tulsa, Oklahoma — known as “Black Wall Street” — was burned to the ground by a white mob. An estimated 300 African Americans were killed and over 1,000 injured. Whites in Tulsa actively suppressed the truth, and African Americans were intimidated into silence.

We go to Goma in the Democratic Republic of the Congo, where tens of thousands of people are evacuating the city of Goma after a volcanic eruption killed dozens on May 22 and amid warnings that Mount Nyiragongo, one of the world’s most active volcanoes, could blow yet again.

As the United Nations human rights chief warns Israel may have committed war crimes in Gaza, we look at how Israel killed 12 Palestinian children being treated for trauma from past Israeli bombings. Jan Egeland, secretary general of the Norwegian Refugee Council, says Gaza has become “the home of hopelessness,” particularly for young people in the besieged territory.

Nearly 80 years ago, Richard Wright became one of the most famous Black writers in the United States with the publication of “Native Son.” The novel’s searing critique of systemic racism made it a best-seller and inspired a generation of Black writers.

A new four-part documentary series, “Exterminate All the Brutes,” delves deeply into the legacy of European colonialism from the Americas to Africa. It has been described as an unflinching narrative of genocide and exploitation, beginning with the colonizing of Indigenous land that is now called the United States.