Sydney Opera House, Bennelong Point, Sydney NSW, Australia
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Happened as dated, per the source[1]: "the Sydney Opera House was officially opened by Queen Elizabeth II."
Queen Elizabeth II officially opened the Sydney Opera House, capping fourteen years of construction that ran a decade late and far over its original budget.
Roy E. Disney - Feature Animation Building, Riverside Drive, Burbank, Los Angeles County, California, 91521, United StatesWalt Disney Animation Studios
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Wikipedia's[2][3] article for the film and its list of Walt Disney Animation Studios films give the US release as 8 November 1973. The Numbers[4] lists domestic release(s): November 8th, 1973 (Wide) by Walt Disney.
Robin Hood is a 1973 American animated musical adventure comedy film produced by Walt Disney Productions and released by Buena Vista Distribution. It reached US theaters on 8 November 1973.
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Released theatrically on December 26, 1973 per the film's Wikipedia[1] infobox.
The Exorcist is a 1973 American supernatural horror film directed by William Friedkin and produced by William Peter Blatty, who adapted his own 1971 novel. The film stars Ellen Burstyn, Max von Sydow, Jason Miller, and Linda Blair, and follows the demonic possession of a young girl and the attempt to rescue her through an exorcism by two Catholic priests.
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MICHELIN[1] Guide: "Now in its third generation after opening in 1973". Year-only, so estimated.
Third-generation Seocho samgyetang shop (opened 1973) known for a 40-ingredient broth topped with mung bean and pine nut purees.
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Happened as dated, per the source[1]: "The facility was established in 1974, following a series of destructive typhoons."
Japan's National Research Institute for Earth Science and Disaster Resilience completed its hangar-sized Large-Scale Rainfall Simulator in Tsukuba, letting scientists recreate extreme storms on demand to study landslides and flooding.
Hollywood Palladium, 6215, West Sunset Boulevard, Hollywood, Los Angeles, Los Angeles County, California, 90028, United StatesRecording Academy
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Grammy.com[1][2]'s Hall of Fame history says the inaugural class 'was announced on the 16th Annual GRAMMY Awards telecast on March 2, 1974'; no start time is given, so the pin is the all-day date.
On the 16th Grammy Awards telecast on 2 March 1974 the Recording Academy named the first five recordings in the new Grammy Hall of Fame, from Louis Armstrong's "West End Blues" to Bing Crosby's "White Christmas".
Hollywood Palladium, 6215, West Sunset Boulevard, Hollywood, Los Angeles, Los Angeles County, California, 90028, United StatesRecording Academy
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Wikipedia[2][3]: 'The 16th Annual Grammy[1] Awards were held March 2, 1974, and were broadcast live on American television' with the Hollywood Palladium in Los Angeles as location; no start time is given, so the pin is the all-day local date.
At the 16th Annual Grammy Awards on 2 March 1974 at the Hollywood Palladium, Roberta Flack won Record and Song of the Year for 'Killing Me Softly with His Song', Stevie Wonder's Innervisions won Album of the Year and Bette Midler won Best New Artist.
Aéroport de Toulouse-Blagnac, Rue Jean Cocteau, Font-Grasse, Grand-Noble, Blagnac, Toulouse, Haute-Garonne, Occitania, Metropolitan France, 31700, FranceAirbus
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EASA type-certificate data sheet A.172 lists 'Initial Certification Date: A300 B2-1A: 15 March 1974'; Wikipedia[2] says certificates were granted by German and French authorities that day.
The Airbus A300B2-1A received its initial type certificate on 15 March 1974, clearing Airbus's first production wide-body for airline service two months before its first delivery.
Knott's Berry Farm, Grand Avenue, Buena Park, Orange County, California, 90620, United StatesAcademy of Country Music
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Billboard[4] of 9 March 1974 says the Academy of Country Music Awards show 'March 28 on ABC-TV. Show tapes at Knott's Berry Farm March 25. Roger Miller hosts'; Billboard Music Week of March 1974 says the ninth annual awards show was set for network telecast over ABC-TV March 28 at 11:30 p.m.; Wikipedia[5] gives March 25, 1974. The pin is the ceremony (taping) day, 25 March; the broadcast followed on 28 March. A newspaper dated 24 March 1974 cited by Wikipedia precedes this date, presumably an announcement of the winners.
Charlie Rich won four awards for "Behind Closed Doors" and Roy Clark became the first repeat Entertainer of the Year at the ninth Academy of Country Music awards, taped on 25 March 1974 at Knott's Berry Farm and aired on ABC on 28 March, hosted by Roger Miller.
Aéroport de Toulouse-Blagnac, Rue Jean Cocteau, Font-Grasse, Grand-Noble, Blagnac, Toulouse, Haute-Garonne, Occitania, Metropolitan France, 31700, FranceAirbus
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World Airline News's[1] photo caption states 'The A300 was delivered to Air France on May 10, 1974' (msn 005, F-BVGA) next to Airbus's[6] own statement on the entry-into-service anniversary.
Air France took delivery of the first production Airbus A300B2, msn 005 registered F-BVGA, on 10 May 1974, thirteen days before the type entered scheduled service.
Heathrow Airport, Bath Road, Harmondsworth, London Borough of Hillingdon, Greater London, England, UB7 0EH, United KingdomAirbus
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Airline Ratings[1] says 'On May 23, 1974, Air France premiered the huge airliner on its trunk route from Paris to London-Heathrow and back'; Wikipedia[2] gives the same date.
On 23 May 1974 Air France began scheduled A300 operations, premiering the first twin-engine wide-body airliner on its Paris to London Heathrow trunk route with two round trips.
Browns Ferry Nuclear Plant, Athens, Alabama, United States
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Three Mile Island, 2625 River Road, Londonderry Township, Pennsylvania, United States
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The cited source explicitly dates this event; the pin records the stated calendar day.[1]
Unit 1 begins commercial operation on Three Mile Island in Pennsylvania, following construction that began in 1968.
Calle de la Cava Baja 35, 28005 Madrid, SpainCasa Lucio
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Opened in 1974 (year only, so estimated at year end), per Wikipedia. Restaurant information verified October 9, 2026.[1]
A traditional Castilian restaurant on Cava Baja, known for its huevos rotos.
Manor Bakeries, Fish Dam Lane, Carlton, Barnsley, South Yorkshire S71 3HQ, United KingdomMr Kipling
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The Barnsley Chronicle[3] and Yorkshire Post[2] date the start of cake manufacturing at the Lyons Bakery (later Manor Bakeries/Mr Kipling) Carlton plant to 1975, without a more precise day recorded.
Lyons Bakery's purpose-built plant in Carlton, South Yorkshire opens as the largest bakery in Europe, and starts baking what becomes the Mr Kipling cake range under later owner Manor Bakeries.
Duane Arnold Energy Center, Palo, Linn County, Iowa, United States
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Earl Carroll Theatre Building, 6230, West Sunset Boulevard, Hollywood, Los Angeles, Los Angeles County, California, 90028, United StatesAcademy of Country Music
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Billboard[3] of 8 February 1975 says Roger Miller will host the tenth annual awards 'in Los Angeles on Feb. 27', to be 'filmed at the Aquarius Theater' and aired on ABC's Wide World of Entertainment March 5; Billboard of 8 March 1975 reports the awards 'presented here Thursday (27) at the Aquarius Theater'; TV Guide for Wednesday 5 March 1975 lists 'The Academy of Country Music Awards' on Wide World Special. Wikipedia's[4] 5 March 1975 date and Knott's Berry Farm venue are the broadcast date and a wrong venue. No start time is given, so the pin is the all-day date of the ceremony.
Mac Davis won Entertainer of the Year, John Denver's "Back Home Again" took Album of the Year and Cal Smith's "Country Bumpkin" Single and Song of the Year at the tenth Academy of Country Music awards on 27 February 1975 at the Aquarius Theater in Hollywood, hosted by Roger Miller and aired on ABC on 5 March.
Gershwin Theatre, 222, West 51st Street, Theater District, Manhattan Community Board 5, Manhattan, New York County, New York, 10019, United StatesRecording Academy
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The Beatles Bible[2]: 'John Lennon and Yoko Ono attended the 17th Annual Grammy[1] Awards ceremony on 1 March 1975... before the ceremony began at the Uris Theatre on Broadway'; Wikipedia[3]: 'presented March 1, 1975'. No start time is given, so the pin is the all-day local date.
At the 17th Annual Grammy Awards on 1 March 1975 at New York's Uris Theatre, Stevie Wonder won four awards including Album of the Year, Olivia Newton-John won Record of the Year for 'I Honestly Love You' and Marvin Hamlisch won Song of the Year and Best New Artist.
17 Market Lane, Chinatown, Melbourne, Victoria 3000, AustraliaFlower Drum
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Wikipedia[1] states the day: "The Flower Drum[2][3] was established by Gilbert Lau and opened on 26 May 1975", and its infobox carries the same date.
Gilbert Lau opened Flower Drum on 26 May 1975 in Melbourne's Chinatown and spent the following decades making the case that Cantonese cooking belonged at the top of Australian fine dining rather than in a separate category of it. It has been a fixture of the city's restaurant lists ever since, on Market Lane.
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Opened on May 26, 1975, the date on Chronopin's Flower Drum[1] opening pin. Restaurant information verified October 9, 2026.
A fine-dining Cantonese restaurant in Melbourne’s Chinatown, known for refined food and attentive service.
Suez Canal Authority, شارع الجمهوريه, الدائرة الجمركية, سيريا, بورسعيد, 42529, مصرSuez Canal Authority
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The Suez Canal[2] Authority's history page, Wikipedia[1][3] (Suez Canal and its closure article, which captions the ceremony 5 June 1975) and The Gamming[4] all give 5 June 1975.
President Anwar Sadat reopened the Suez Canal on 5 June 1975, eight years after the Six-Day War closed it. A mine-clearing effort by the US and Britain through 1974 had cleared the waterway.
Boeing Everett Assembly Plant, Airport Road, Everett, Snohomish County, Washington, 98204, United StatesBoeing Commercial Airplanes
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Yesterday's Airlines: "The SP first flew on July 4, 1975"; Boeing Classics titles its archive film "First Flight of the Boeing 747SP, July 4, 1975".[1]
The shortened, long-range Boeing 747SP flew for the first time on 4 July 1975. Built for Pan Am's New York-Middle East routes, it entered service with Pan Am on 25 April 1976.
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Europa-Park's own history and IAAPA's[2] 50th-anniversary retrospective both give July 12, 1975 as the park's opening date.
The Mack family opened Europa-Park, a 16-hectare amusement park built around European-themed lands, in the German town of Rust. It has since grown into continental Europe's second-most-visited theme park.
MRC Laboratory of Molecular Biology (LMB), Francis Crick Avenue, Trumpington, Cambridge, Cambridgeshire, Cambridgeshire and Peterborough, England, CB2 0QH, United KingdomMRC Laboratory of Molecular Biology
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Nature's[1] own page for the article gives citation_online_date 1975/08/01 and shows "01 August 1975" as the publication date, with the paper received 14 May 1975 and accepted 26 June 1975; it is Nature volume 256, issue 5517, pages 495-497.
Georges Köhler and César Milstein report in Nature that fusing an antibody-producing cell with a myeloma cell yields a line that secretes a single antibody indefinitely. Monoclonal antibodies become the basis of the modern biologics industry.
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Wikipedia's[1][2][3] article and timeline date the collapse to 8 August 1975 (the failure spans 8-10 August); Weather Underground gives the night of 7-8 August and Wikipedia's Typhoon Nina article says the storm moved southwest on 8 August after causing the collapse.
Typhoon Nina's record rainfall burst the Banqiao Dam on the Ru River in Henan on 8 August 1975, triggering the failure of dozens of other dams in the deadliest dam disaster in history.
Anchor Brewing Company, 1705 Mariposa Street, San Francisco, California 94107, United StatesAnchor Brewing Company
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Hop Culture's[1] account says Fritz Maytag brewed the first Christmas Ale on 17 November 1975; the on-sale day is not stated (an ad in the San Francisco Chronicle drew a line around the corner), so the brew day is used as the earliest dated anchor.
Anchor Brewing's Fritz Maytag brewed the first Christmas Ale on 17 November 1975, a pale dry-hopped ale that began the modern American Christmas beer and later became a spiced brown ale.
White House, 1600 Pennsylvania Avenue NW, Washington, D.C. 20500, United StatesThe White House
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The American Presidency Project dates Ford's signing statement to 22 December 1975, and the Act itself is P.L. 94-163, enacted that day.[1]
Two years after the Arab oil embargo, the Energy Policy and Conservation Act set up a federal emergency oil stockpile and gave the President the power to order it sold when supply is severely interrupted. Ford called the bill imperfect but signed it anyway, to end "the long debate over national energy policy".
Whitbread, Chiswell Street Brewery, London EC1Y 4SD, England, United KingdomAB InBev
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Wikipedia[1] says 'Whitbread secured a licence to brew Stella Artois under contract in the United Kingdom in 1976'; no month or day is given.
In 1976 Whitbread secured a licence to brew the Belgian pilsner Stella Artois under contract in the UK, the start of a British-brewed Stella whose UK strength was 4.8% from 2008 until it was cut to 4.6% in 2020.
Heathrow Airport Terminal 3, Cromer Road West, Harmondsworth, London Borough of Hillingdon, Greater London, England, TW6 1QT, United KingdomBritish Airways
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Wikipedia[1][2][3][4]: "Concorde began scheduled flights with British Airways and Air France on 21 January 1976", on the London-Bahrain and Paris-Rio routes.
British Airways and Air France began scheduled Concorde flights on 21 January 1976, London-Bahrain and Paris-Rio de Janeiro via Dakar, the world's first supersonic airline service.
Hollywood Palladium, 6215, West Sunset Boulevard, Hollywood, Los Angeles, Los Angeles County, California, 90028, United StatesAcademy of Country Music
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Billboard's[5] 28 February 1976 report datelined Los Angeles says Lynn and Twitty took top honors 'at the 11th annual Academy Of Country Music Awards here Thursday (19)'; Wikipedia[3] gives 19 February 1976 and the ACM's own program names the Hollywood Palladium. No start time is stated, so the pin is the all-day date.
The 11th Academy of Country Music Awards were held on 19 February 1976 at the Hollywood Palladium, hosted by Marty Robbins; Loretta Lynn became the first woman to win Entertainer of the Year, and Glen Campbell's "Rhinestone Cowboy" won Single and Song of the Year.