26 – Two British commercial divers, Michael Ward and Tony Prangley, die of hypothermia and drowning in the East Shetland Basin after their diving bell plunges to the seabed at a depth of over . December December 4 – Dianne Feinstein succeeds the murdered George Moscone, to become the first woman mayor of San Francisco; she will remain in office until January 8, 1988. December 6 – The Spanish Constitution officially restores the country's democratic government. December 11 Lufthansa heist: Six men rob a Lufthansa cargo facility in New York City's John F. Kennedy International Airport. Two million demonstrate against the Shah in Iran. December 16 Train 87 from Nanjing to Xining collides with train 368 from Xi'an to Xuzhou near Yangzhuang railway station in China, killing 106, injuring 218. The Mystery of Mamo is released in cinemas in Japan. December 19 – Former Prime Minister of India Indira Gandhi is arrested and jailed for a week for breach of privilege and contempt of parliament. December 22 The pivotal Third Plenum of the 11th National Congress of the Chinese Communist Party is held in Beijing, with Deng Xiaoping reversing Mao-era policies to pursue a program for Chinese economic reform. Chicago serial killer John Wayne Gacy, who was subsequently convicted of the murder of 33 young men and boys committed between 1972 and 1978, is arrested. Argentina begins Operation Soberanía against Chile, but Argentinian forces quickly withdraw. December 25 – Vietnam launches a major offensive against the Khmer Rouge of Cambodia. December 27 – The Constitution of Spain is approved in a referendum, officially ending 40 years of military dictatorship. Date unknown Synthetic insulin is developed. Romanian painter Doina Bumbea is abducted by the North Korean government. Abortion is legalized in Italy for the first time. In Seoul, South Korea, construction begins on Seoul Subway Line 2. Ford initiates a recall for the Pinto because of a public outcry resulting from deaths associated with gas tank explosions. Rolnicka Praha children's choir is founded in Prague, Czech Republic. The New York International Bible Society's New International Version of the complete Bible translated into modern American English is published. The Space Invaders arcade video game is released by Taito. Births January January 1 – Philip Mulryne, Northern Irish footballer January 2 – Karina Smirnoff, Ukrainian-American dancer January 3 Liya Kebede, Ethiopian model, clothing designer and actress Park Sol-mi, South Korean actress January 4