U.S. President Barack Obama visits a pre-schoolers classroom after delivering delivers remarks at the Adas Israel Congregation in celebration of Jewish American Heritage Month, on Friday May 22, 2015, in Washington, D.C. Pool Photo by Aude Guerrucci/UPI
Members of the 3rd U.S. Infantry Regiment (The Old Guard) placed American flags at all of the over 228,000 headstones at Arlington in honor of Memorial Day during the annual Flags-In ceremony in Arlington, Virginia on May 21, 2015.
United States President Barack Obama disembarks Marine One during a rain shower after arriving on the South Lawn of the White House in Washington, DC following a trip to Camden, New Jersey on Monday, May 18, 2015.
President Obama welcomes Abdul Latif Bin Rashid Al-Zayani of Bahraini, Secretary General of the Gulf Cooperation Council, to the Gulf Cooperation Council summit dinner at the White House on May 13, 2015 in Washington, D.C.
World War II era aircraft flies over the National World War II Memorial as part of the Arsenal of Democracy: World War II Victory Capitol Flyover in honor of the 70th anniversary of Victory in Europe Day, in Washington, D.C. on May 8, 2015.
Miao women and men take part in the annual Sister's Meal Festival (Miao Valentine's Day), held on a full moon and traditionally when eligible women meet eligible men, in Shidong, a remote village in northern Guizhou Province.
Veterans attend a ceremony honoring the 70th anniversary of the allied victory over Nazi Germany in World War II at the Armoured Corps Memorial and Museum at Latrun Junction near Jerusalem on May 7, 2015.
Japan celebrates Children's Day with Carp Streamers on May 5, 2015. Carp streamers are symbol for wishing of good health and strength for children, are a traditional event part of the Children's Day festivities.
United Press International is a leading provider of news, photos and information to millions of readers around the globe via UPI.com and its licensing services.
With a history of reliable reporting dating back to 1907, today's UPI is a credible source for the most important stories of the day, continually updated - a one-stop site for U.S. and world news, as well as entertainment, trends, science, health and stunning photography. UPI also provides insightful reports on key topics of geopolitical importance, including energy and security.
A Spanish version of the site reaches millions of readers in Latin America and beyond.
UPI was founded in 1907 by E.W. Scripps as the United Press (UP). It became known as UPI after a merger with the International News Service in 1958, which was founded in 1909 by William Randolph Hearst. Today, UPI is owned by News World Communications.
It is based in Washington, D.C., and Boca Raton, Fla.