In this December 10, 1978 file photo of exiled Muslim leader Ayatollah Khomeini overshadows huge anti-Shah demonstration at the Shahyad monument commemorating 25 years of the monarch's rule and symbol of his power, in Tehran, Iran. The discovery in Iran of a mummified body near the site of a former royal mausoleum has raised speculation it could be the remains of the late Reza Shah Pahlavi, founder of the Pahlavi dynasty. (Photo by Michel Lipchitz/AP Photo)





In this October 6, 1981 file photo, an Egyptian security guard screams at people as medics bring in a stretcher to carry the wounded after the attack which killed President Anwar Sadat, as he watched a military parade. Shocking footage of the brazen assassination, payback for Sadat's signing a peace deal with Israel, was broadcast around the world. It also became an early propaganda trophy for Islamic radicals who had penetrated the military to carry out a cleric's order that Sadat be killed. (Photo by AP Photo)





In this December 4, 1950 file photo, residents from Pyongyang, North Korea, and refugees from other areas crawl perilously over shattered girders of the city's bridge as they flee south across the Taedong River to escape the advance of Chinese Communist troops. Sports ties between the rival Koreas often mirror their rocky political ties. (Photo by Max Desfor/AP Photo)





Pedestrians stroll along the promenade of the Brooklyn Bridge, connecting Manhattan and Brooklyn, New York City, 1891. The suspension bridge was opened to traffic on May 24, 1883. When bridge designer John A. Roebling incorporated the promenade into the design of the bridge, he said it was important that the people take part in the leisures afforded by the bridge. (Photo by AP Photo)





In this handout from the U.S. Coast Guard, the flag-draped bodies of two Navy men who died from wounds suffered in the Battle of Iwo Jima, are buried at sea from the deck of a Coast Guard invasion transport off the coast of Iwo Jima, April 6, 1945. The ship's chaplain reads the burial rites over the deceased as their comrades stand silently, some with heads bowed. The bodies are slipped over the side from beneath the flag for which these heroes gave their lives. (Photo by AP Photo/U.S. Coast Guard)





Religious rioting leaves a shopping district in shambles in Lahore, in the West Punjab section of the new Dominion of Pakistan, August 25, 1947. Warfare between religious communities in the India and Pakistan areas of partitioned Punjab continues. (Photo by AP Photo)





In this August 26, 1968 file photo, Chicago police officers wielding nightsticks confront a demonstrator on the ground in Grant Park after protesters against the Vietnam War climbed on the statue of Civil War Gen. John Logan. It was one of many protests during the tumultuous 1968 Democratic National Convention. (Photo by AP Photo)





In this May 30, 1937 file photo, police using guns, clubs and tear gas advance into marching strikers outside Chicago's Republic Steel plant during violent clashes in the early days of labor union organizations. (Photo by Carl Linde/AP Photo)





The south of America is harvesting cotton, and in southernmost Texas, it has been a big year for the crop. Here, farmers near O'Donnell, Texas, are pitching their feathery crop into wagons, preparatory to its departure for the town, on January 17, 1938. (Photo by AP Photo)





Eleven members of the famed Keystone Kops from the silent screen days show how they'd look in a modern car instead of a Model T Ford during their first reunion in uniform in Hollywood, Los Angeles on January 20, 1962, since they disbanded 30 years ago. In the group, from the front, are Billy Bledger, Chester Conklin, Clarence Hennecke, Glenn Cavender, Pinto Colvig, Tom Kennedy, Eddie Baker, John Grey, Del Lord, and, in the car, Ed LeVeque and Eddie Gribbon. (Photo by AP Photo)





An air raid drill at Seattle College caught students William Bates, left, and Edna Mae Farrell, right, while they were eating their lunch in the school café, but they simply took shelter under the table and continued eating in Seattle, Washington, March 17, 1942. Air raid wardens said 350 students left their classrooms and assembled in shelters within one minute in first at the college. (Photo by AP Photo)





In the latest in fat-reduction fads, the young lady on the table at Marble Hall Women's Health Club at Rye, N.Y., March 17, 1948, is worked over by the spot reducer, which takes car of unwanted bulges and increases circulation of blood through fatty deposits. This eliminates the need for exercise which tends to firm already solid flesh and makes the trainee over-hungry at mealtime. (Photo by Dan Grossi/AP Photo)





Police stand guard as a fireman reclaims his truck that was abandoned for a day during a shoot out with a sniper atop the Howard Johnson's Hotel in New Orleans, January 9, 1973. Police began moving out of the area Monday evening after six people were killed and 17 injured. (Photo by Ed Kolenovsky/AP Photo)





Motorized troops are shown leaving Unter Den Linden as Hitler's birthday parade began several miles farther west on Charlottenburher Chassee, April 26, 1937. Tanks, Machine gun units and motorcycle squads paraded before the chancellor. (Photo by AP Photo)





While his orchestra plays in Philadelphia, Leopold Stokowski, left, remotely balances the stereo sound from Constitution Hall in Washington, D.C., using the new control device developed by Bell Telephone Laboratories, April 27, 1933. Dr. Harvey Fletcher, right, of Bell Labs looks on as does W.B. Snow, center. Dr. Fletcher is known as the “father of stereophonic sound”. (Photo by AP Photo)





A 17-year-old civil rights demonstrator, defying an anti-parade ordinance of Birmingham, Ala., is attacked by a police dog on May 3, 1963. On the afternoon of May 4, 1963, during a meeting at the White House with members of a political group, President Kennedy discussed this photo, which had appeared on the front page of that day's New York Times. (Photo by Bill Hudson/AP Photo)





Members of the Queen Alexandra's Royal Army Nursing Corps march to their depot at Hindhead, Surrey, where they will take part in a ceremonial parade to mark Corps Day, 13th April 1953. (Photo by Douglas Miller/Keystone/Hulton Archive/Getty Images)





A US soldier stands in the middle of rubble in the Monument of the Battle of the Nations in Leipzig after they attacked the city 18 April 1945. (Photo by Eric Schwab/AFP Photo)





Firemen and onlookers beside a burnt-out building on the second day of riots in Brixton, South London, 13th April 1981.(Photo by David Levenson/Simon Dack/Keystone/Hulton Archive/Getty Images)





A lone resident of the southern Chile town of Castro sits on a curb in the downtown area May 30, 1960 after the section was hit by devistating earthquakes. The rubble in the backround was once business establishments. (Photo by William J. Smith/AP Photo)