In this July 1, 1982 file photo, Israeli medics from the occupying forces in Lebanon, give medical aid to two Druze children who were wounded during fighting between rightist militiamen and Druze gunmen in the Lebanese mountains near Bhamdoun. The 1975-1990 civil war killed more than 100,000 people and included Israeli invasions, bombardment, political assassinations, and occupation during and after that period. (Photo by Rabi/AP Photo)





In this October 15, 1943 file photo, men, women and soldiers gather around Pope Pius XII, his arms outstretched, during his inspection tour of Rome, Italy, after the Aug. 13 American air raid during World War II. The Vatican’s chief librarian and archivists said Thursday, Feb. 20, 2020 that all researchers – regardless of nationality, faith and ideology – were welcome to request access to the soon-to-open Vatican’s apostolic library on Pope Pius XII starting March 2. (Photo by AP Photo/File)





A group of mask-wearing citizens, somewhere in California, during the flu pandemic of 1918. (Photo by Niday Picture Library)





In this July 12, 1988 file photo, a funeral procession is held for six Pakistani and Indian nationals who were killed aboard Iran Air Flight 655, July 12, 1988, in Iran. The Western allegation that Iran shot down a Ukrainian jetliner and killed 176 people offers a grim echo for the Islamic Republic, which found itself the victim of an accidental shootdown by American forces over 30 years ago. (Photo by AP Photo/File)





Firemen removing one of two bodies so far found in the burnt-out remains of the Iranian Embassy in London on May 7, 1980. The corpse, wrapped in a dark green body bag, was lowered from a second floor front window of the building in Princes gate, Kensington, and taken away by a hearse. (Photo by PA Images via Getty Images)





Mourners pray on their knees in the pews and aisles of St. Patrick's Cathedral in New York City after the assassination of President John F. Kennedy in Dallas, Texas on November 22, 1963. (Photo by Bettmann/Getty Images)





Mongolian children lead the same rugged lives as their parents. When they move about from place to place in their nomadic existence they must, like their elders ride horseback, on October 18, 1936. (Photo by AP Photo)





In this March 23, 1974, file photo, North Carolina State's Mark Noeller (40) jumps into the air as they defeat UCLA 80-77 in double overtime in a semifinal game at the NCAA college basketball championships in Greensboro, N.C. (Photo by AP Photo/File)





In this April 28, 1984 file photo, elementary school pupils, dressed in the standard white shirt school uniform of Iraq, leave their school in Baghdad. Scenes on the wall depict the Iraq-Iran war as a new battle between Arabia and Persia. The Iran-Iraq war launched by Iraq's Saddam Hussein after the Iranian revolution resulted in around half a million deaths. A generation was decimated in both countries. (Photo by Herve Merliac/AP Photo)





In this May 6, 1961, file photo, the bust of former Belgian King Leopold II (1835-1909) lies on the ground on the Avenue General De Gaulle in Stanleyville, Congo. With the protests sweeping the world in the wake of the killing of George Floyd in Minneapolis, King Leopold II, who reigned from 1865 to 1909, is now increasingly seen as a stain on the nation. (Photo by AP Photo/File)





Almost an entire wall of a house in Peking lies in a heap on the sidewalk, July 31, 1976, after a severe earthquake which rocked the Chinese capital on Wednesday. (Photo by John R. Zelenik/AP Photo)





The wreckage of a television news helicopter piloted by former spy pilot Francis Gary Powers lies in a field in Los Angeles, August 1, 1977. Powers and another news person were killed while on assignment for local station KNBC. Powers was the pilot captured by the Soviets in the 1960 U2 spy plane incident. (Photo by Nick Ut/AP Photo)





In this November 22, 1963 file photo, the limousine carrying mortally wounded President John F. Kennedy races toward the hospital seconds after he was shot in Dallas. Secret Service agent Clinton Hill is riding on the back of the car, Nellie Connally, wife of Texas Gov. John Connally, bends over her wounded husband, and first lady Jacqueline Kennedy leans over the president. (Photo by Justin Newman/AP Photo/File)





A thirty-year-old Dutch demonstrator displays a sign that reads: “Glad to be Gay” during a gay people march in Frankfurt, Germany on Saturday, July 28, 1979 which ended a week long homosexual meeting. Hundreds of homosexual converged for a week of movies, theater, rock concerts and workshops on gay rights. (Photo by Rolf Boehm/AP Photo)





A Moscow policeman, right, watches the crowd gather outside the Great Hall of Columns in Moscow, August 17, 1960, for the opening of the trial for espionage of Francis Gary Powers, pilot of the U-2. Despite the rain the crowd steadily increased. (Photo by AP Photo)