From left: Professor Albert Einstein, Karl Heinrich Becker, scientist-novelist H.G. Wells and Dr. Paul Lobe, are pictured together when Wells came to Berlin to lecture on "Understanding of Men," on April 16, 1929.
Across the Oklahoma Panhandle, on into Kansas and Colorado, this great dust cloud rolled, seeming to erase from the face of the Earth hundreds of small farm homes such as this one near Boise City, Oklahoma on April 16, 1935.
Henry Ford, left, stands with Orville Wright in front of the bicycle shop in which Wright and his brother constructed the heavier-than-air flying machine, in Detroit, Mich., April 16, 1938. The Wright brothers' bike shop and home were brought from Dayton, Ohio, by Ford to Detroit where the building was formally dedicated.
Emperor Hirohito and his empress read the newspapers and listen to the radio at their summer palace at Hayama, Japan on April 16, 1946, for results of the Japanese election. The Japanese constitution denies a vote to the royal couple.
Gen. Douglas MacArthur and his wife, Jean, stand in the door of the Bataan to wave farewell to the crowd on hand to see them off at Haneda Airport in Tokyo, Japan, April 16, 1951. Gen. MacArthur was dismissed from his post as commander in the Far East and as Supreme Commander of the U.N. forces in Korea. On the steps below them is Lt. Col. Tony Story, Gen. MacArthur's aide and personal pilot.
Dr. Jonas Salk, the developer of the anti-polio vaccine, waves to the crowd as he and his family are welcomed after arrival by plane in Pittsburgh, Pa., April 16, 1955, from Ann Arbor, Mich., where his vaccine was termed 90 percent effective. Mrs. A.W. Conover (no first name available), right, wife of the president of the Pittsburgh Chamber of Commerce, presented a bouquet of roses to Donna Salk. The Salk children are, left to right, Peter, 11; Darrell, 8 and Jonathan 5.
Queen Elizabeth II walks between weaving machines at the Malvern Mill of Walter Pollard. Ltd., at Nelson, Lancashire, England on April 16, 1955 during her tour.
President Harry S. Truman, wearing striped trousers and striped tie, smiles in his car as he leaves the Capitol in Washington, April 16, 1945, after delivering his first address as chief executive to a joint session of Congress.
U.S. Marines move up in Okinawa, Japan on April 16, 1945.
View through barbed wire into a lane formed by two lines of barracks of former Dachau concentration camp on April 16, 1965.
Aerial view of Texas City, Tex., April 16, 1947, after a French ship loaded with nitrate exploded in the harbor area, torching part of the city.
More than a score of U.S. infantrymen tired of walking, hop a ride back to base on a tank in Vietnam, April 30, 1967. They were on patrol 325 miles northeast of Saigon in the Southern part of Quang Ngai province the week of April 16. Their base is on the beach near Duc Pho.
Women wash off their feet at one of the areas of the bridge in Hue, South Vietnam, where the water crosses, April 16, 1968.
Funeral of Chiang Kai-shek on April 16, 1975 in Taipei. The coffin inside a float with white and yellow flowers in the shape of a church or chapel. Madame Chiang, not shown here, assisted by Chiang-kuo and Wei-kuo, walked behind the float. For five days, the casket lay in state at the Sun Yat-sen Memorial Hall.
Heavyweight champ Muhammad Ali ducks away as Michael Dokes from Akron, Ohio closes in on him during a three-round exhibition fight, April 16, 1977 in Miami Beach, Florida.
On the stage of the concert held in his honour, Deputy President of the African National Congress, Nelson Mandela addressed and saluted the crowd, with a clenched fist, in Wembley Stadium, London, April 16, 1990, and thanked them for their support during his 27 years in prison. Mandela's wife Winnie applauds her husband, left. The five-hour concert was televised in over 40 countries and all the proceeds went to charities.
Swat team members head to Norris Hall the site of a shooting on the campus of Virginia Tech in Blacksburg, Va., Monday, April 16, 2007. A gunman opened fire in a Virginia Tech dorm and then, two hours later, in a classroom across campus Monday, killing at least 30 people in the deadliest shooting rampage in U.S. history, government officials told the Associated Press.