Dashed left edge = started before October 1947 ·
Dashed right edge = ongoing beyond October 1947
Events in October 1947 14
1858 – 1947Max Planck (1858-1947)Died 4 October 1947, aged 89Max Planck was a German theoretical physicist whose 1900 work on black-body radiation founded quantum theory. He received the Nobel Prize in Physics in 1918. The Max Planck Society is named after him.
1858 – 1947Max PlanckFather of Quantum TheoryWinner of the Nobel Prize for his work on quantum mechanics and the Planck constant.
1859 – 1947Sidney Webb (1859-1947)Died 13 October 1947, aged 88Sidney Webb was a British socialist, economist and early member of the Fabian Society. With his wife Beatrice he co-founded the London School of Economics and the New Statesman. He wrote the Labour Party's Clause IV and served in Labour cabinets.
1944 – 1947Chuck Berry in reformatoryArmed robbery convictionConvicted of armed robbery as a teenager, released on his 21st birthday.
1947 – 2009Dave Arneson (1947-2009)Died 7 April 2009, aged 61Arneson co-created the tabletop role-playing game Dungeons & Dragons with Gary Gygax, helping to found the modern role-playing game industry. His early campaign designs introduced concepts still used across the hobby. He later worked on numerous other game projects.
1947XP-86 Sabre first flightNorth American AviationGeorge Welch flies the swept-wing XP-86 prototype. Some claim he broke the sound barrier in a dive before Yeager, but it has never been confirmed.
1947Cominform foundedSoviet-led bureau coordinates European communist partiesThe Communist Information Bureau was established at a conference of nine European communist parties at Szklarska Poręba in Poland, and its formation was announced on 5 October 1947. It was Moscow's answer to the Marshall Plan and enforced Soviet control over the parties. Yugoslavia was expelled from it in 1948.
19471947 World Snooker ChampionshipDonaldson BreakthroughThe first championship after Joe Davis retirement. Winner: Walter Donaldson; Runner-up: Fred Davis. Score: 82–63.
1947Chuck Yeager breaks the sound barrierBell X-1, Mojave DesertFlying the rocket-powered Bell X-1 Glamorous Glennis, Chuck Yeager exceeds Mach 1 in level flight, opening the way to supersonic fighters.
1947Sound barrier brokenChuck Yeager flies the Bell X-1 faster than soundOn 14 October 1947, US Air Force Captain Chuck Yeager flew the rocket-powered Bell X-1 Glamorous Glennis past Mach 1 over the Mojave Desert. It was the first confirmed supersonic flight in level flight. The achievement was kept classified for several months.
1947Hollywood Ten cited for contemptHUAC hearings begin the Hollywood blacklistIn October 1947, the House Un-American Activities Committee held hearings on alleged communist influence in the film industry. Ten writers and directors refused to answer questions and were cited for contempt of Congress. On 25 November, studio heads issued the Waldorf Statement and blacklisted them.
1947First Indo-Pakistani War beginsFighting erupts over the princely state of KashmirTribal forces from Pakistan invaded Jammu and Kashmir on 22 October 1947. Maharaja Hari Singh signed the Instrument of Accession to India on 26 October, and Indian troops were airlifted to Srinagar the next day. The war lasted until a UN-brokered ceasefire at the start of 1949.
1947 – 2024Terry Anderson (1947-2024)Died 21 April 2024, aged 76American journalist kidnapped in Beirut and held hostage for more than six years.
1947General Agreement on Tariffs and Trade signedTwenty-three nations sign GATT in GenevaGATT was signed in Geneva on 30 October 1947 by 23 countries. The agreement aimed to reduce tariffs and other barriers to international trade. It governed world trade until the World Trade Organization replaced it in 1995.