(CNN)Here's a selected list of commercial airplane crashes caused by military acts or by terrorism.
June 14, 1940 - Soviet bombers shoot down the Kaleva, a Finnish commercial plane traveling from Estonia to Finland, killing all nine on board. One passenger was Henry W. Antheil Jr., an American diplomat who was carrying diplomatic pouches from US legations in Estonia and Latvia.
March 3, 1942 - Japanese aircraft shoot down a KNILM flight on its way to Broome, Australia. The plane crash-lands on the beach at Carnot Bay. Four people die.
June 1, 1943 - British actor Leslie Howard is among 17 killed when German fighters shoot down a British Overseas Airways Corporation flight over the Bay of Biscay.
July 23, 1954 - A Cathay Pacific flight is shot down by a Chinese Army fighter plane off the coast of Hainan Island, killing 10 people.
April 11, 1955 - Sixteen people die when a bomb explodes on an Air India flight from Hong Kong to Jakarta, Indonesia. The "Kashmir Princess" was flying to the Afro-Asian Bandung conference. Chinese Premier Zhou Enlai may have been the target; however, he was not on the flight.
July 27, 1955 - El Al Flight 402, bound for Israel, is shot down by two Bulgarian fighter jets after the plane strays into Bulgarian territory. All 58 on board are killed.
May 10, 1961 - Following an onboard explosion, Air France Flight 406 crashes near Algeria, killing all 78 people on board.
October 12, 1967 - A bomb goes off on Cyprus Airways Flight 284 on its way from Athens, Greece, to Cyprus, killing all 66 on board. No one claims responsibility, and the perpetrators remain undiscovered.
February 21, 1970 - A Swissair flight from Zurich, Switzerland, to Tel Aviv, Israel, crashes after a bomb explodes. All 47 people on board die. The Popular Front for the Liberation of Palestine initially claims responsibility, but later denies involvement, according to news reports. Swiss officials, who had named suspects from Jordan, end their investigation in 2000 without having solved the case.
February 21, 1973 - Israeli fighters shoot down a Libyan Arab Airlines plane after it strays into the airspace of the Sinai Peninsula, then under Israeli control. Of the 113 people on board, 108 are killed.
May 18, 1973 - An Aeroflot flight explodes above Siberia on its way to Chita, USSR, from Moscow after a hijacker detonates a bomb. At least 80 people are killed.
September 8, 1974 - All 88 passengers on a TWA flight that originated in Tel Aviv, Israel, but had just taken off from Athens, Greece, are killed when an explosion causes the plane to crash. Terrorists linked to the Abu Nidal group are suspected.
January 1, 1976 - A bomb explodes on a Middle East Airlines flight from Beirut, Lebanon, to Dubai, United Arab Emirates. At least 80 people on board are killed. No one claims responsibility.
October 6, 1976 - A Cubana Airlines flight explodes near Barbados, killing all 73 people on board. Luis Posada Carriles, a Cuban exile and former CIA agent, is charged with the bombing, as is Orlando Bosch, a Posada collaborator. Incarcerated while awaiting trial, Posada spends nine years in a jail in Venezuela, until he escapes in 1985. Bosch is released in 1987. The two were never convicted.
September 3, 1978 - Air Rhodesia Flight 825 is shot down by guerrillas in the Zimbabwe People's Revolutionary Army. The plane crash-lands, killing 38 of the 56 passengers and crew members. The guerrillas kill 10 of the survivors.
February 12, 1979 - All 59 people on board Air Rhodesia Flight 827 die when the plane is shot down by a missile fired by guerrilla forces durin