First Lady Michelle Obama and special guest, Jazz legend Herbie Hancock, take part in a jazz workshop for high school students at the International Jazz Day celebration at the White House, in Washington D.C., on April 29, 2016.
Actress Allison Janney, who played press secretary C.J. Cregg on "The West Wing," makes a guest appearance at the White House Daily Briefing to bring attention on opioid drug epidemic, at the White House in Washington, D.C. on April 29, 2016.
A young Prince breaks the internet, Japan cleans up after a 7.0-magnitude earthquake, ISIS destroys a historic clock tower in Iraq, thousands march in Los Angeles remembering the Armenian Genocide of 1915, and more.
Academy Award winning actor and environmental activist Leonardo DiCaprio visited NASA's Goddard Space Flight Center on April 23, 2016. DiCaprio was there to interview Dr. Piers Sellers, deputy director of Goddard's Sciences and Exploration Directorate, for an upcoming documentary on climate change that he is producing.
Orthodox Christian pilgrims carry crosses on the Via Dolorosa in the Old City of Jerusalem on Good Friday, April 29, 2016. Good Friday commemorates the path that Jesus carried his cross to his crucifixion on Calvary.
Republican presidential front-runner Donald J. Trump held a rally at the Pacific Amphitheatre County Fair & Event Center in Costa Mesa, California on April 28, 2016, one day after pledging to pursue an "America first'" foreign policy.
Quarterbacks again were the top two picks as Jared Goff (Los Angeles Rams) and Carson Wentz (Philadelphia Eagles) went 1-2; while offensive tackle Laremy Tunsil's night began with a video posted to his Twitter account showing him wearing a gas mask and appearing to inhale marijuana.
Nicki Minaj, Karlie Kloss and Donald Trump arrive on the red carpet at the TIME 100 Gala at Frederick P. Rose Hall, Home of Jazz at Lincoln Center, in New York City on April 26, 2016. TIME 100 celebrates the magazine's list of the 100 Most Influential People in the World.
On April 26, 1986, reactor No. 4 at the massive Chernobyl nuclear plant suffered a catastrophic nuclear accident, causing steam explosions that sent a radioactive cloud more than 1,000 miles to Scandinavia.
Democratic presidential candidate Bernie Sanders, underdog in the quest for his party's nomination, has the type of passionate and loyal following the likes of which has not been seen since Barack Obama's historic 2008 campaign.
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