VERIFIED ARCHIVE / WORLD INDEX

Timeline

Cultural dates, releases and technologies with reviewable evidence and editorial oversight.

1956
RESTORATION / SPAIN

Film Recording Used as the Recording Method Until 1956

The UPM Telecommunications Museum explains that, from the start of regular broadcasts through 1956, programs were recorded by filming them with a motion-picture camera and developing the film afterward. The recordings were used for delayed broadcasts and for archiving.

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1 source
  1. Historias de las Telecomunicaciones – Museo de Telecomunicacionesblogs.upm.es · accessed 09/26/2026
1955
FILM / FRANCE

Premiere of Alain Resnais's 'Night and Fog'

Alain Resnais premieres his documentary 'Night and Fog', a work that redefines the representation of the Holocaust in cinema through a poetic structure and the use of black-and-white archival footage.

3 sources
  1. En busca de lo real. 50 documentales esencialesopenaccess.uoc.edu · accessed 10/23/2026
  2. Timeline: Holocausto y narrativa latinoamericanawww.timetoast.com · accessed 10/26/2026
  3. marzo 2014 – 39escalones39escalones.wordpress.com · accessed 10/23/2026
October 1952
COMICS AND MAGAZINES / UNITED STATES

Creation of the satirical magazine Mad

William M. Gaines founded Mad, a monthly humor magazine that focused on satirizing American popular culture and consumer products.

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1 source
  1. Mad (revista)es.wikipedia.org · accessed 09/29/2026
1951
FOOD AND SWEETS / ARGENTINA

Founding of Arcor in Arroyito, Argentina

A group of entrepreneurs founds Arcor in the city of Arroyito, Córdoba province, aiming to offer quality food at accessible prices, benefiting from the protectionist context of the time.

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4 sources
  1. Arcor - Wikipedia, la enciclopedia librees.wikipedia.org · accessed 10/17/2026
  2. Origen y Fundación de Grupo Arcor: Historia y Evolución ...www.studocu.com · accessed 10/17/2026
  3. Historia y expansión de Arcor | PDF | Alimentos | Businesses.scribd.com · accessed 10/17/2026
  4. (DOC) El nacimiento de Arcorwww.academia.edu · accessed 10/17/2026
1950
TOYS / HONG KONG

Start of the manufacturing context for Playmates Dolls

Evidence places the manufacture of these dolls in the second half of the 20th century, a period marked by the expansion of toy production and export from Asia.

1 source
  1. Muñecas – MUSEO PEDAGÓGICO COLOMBIANOmuseopedagogico.pedagogica.edu.co · accessed 10/20/2026
June 1948
TECHNOLOGY / UNITED STATES

Columbia introduces the microgroove LP

In June 1948, Columbia Records introduced its 12-inch, 33⅓-rpm LP format in New York. Narrower grooves and a slower speed than the 78 rpm record allowed longer playback on each side. RCA Victor responded the following year with the 45 rpm single, and the two formats competed for a time to establish their roles in the market.

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5 sources
  1. Surcos a través del tiempo: El formato cambiante del discowww.google.com · accessed 10/30/2026
  2. Historia del Vinilo - Diffusion Magazinewww.diffusionmagazine.com · accessed 10/27/2026
  3. La historia del vinilowww.maplatine.com · accessed 10/27/2026
  4. Disco de vinilo - Wikipedia, la enciclopedia librees.wikipedia.org · accessed 10/30/2026
  5. Disco fonográficoes.wikipedia.org · accessed 10/27/2026
1947
TECHNOLOGY / ARGENTINA

Construction begins on the gas pipeline between Comodoro Rivadavia and Buenos Aires

Construction of the pipeline began in 1947 and was completed in 1949; expanding networks and lower supply costs encouraged the adoption of gas cookers.

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2 sources
  1. la evolución de los bienes durables en Argentina, 1920-1970journals.openedition.org · accessed 10/28/2026
  2. la evolución de los bienes durables en Argentina, 1920-1970www.scielo.org.co · accessed 10/28/2026
18 October 1946
EVERYDAY LIFE / CHILE

Founding of the Osorno Municipal Historical Museum

The Osorno Municipal Historical Museum is founded in Chile, an institution that would later evolve to include records of everyday life and local heritage memory.

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1 source
  1. Museo Histórico Municipal de Osornoes.wikipedia.org · accessed 10/19/2026
1946
RESTORATION / GLOBAL

The International Council of Museums is founded

With UNESCO’s support, the International Council of Museums (ICOM) was founded, providing museums with legal and ethical backing and committing to the preservation and dissemination of cultural property. This is an institutional milestone related to heritage preservation, although it is not specific to music archives.

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1 source
  1. Estudio y análisis de los museos de música en Europadiposit.ub.edu · accessed 09/27/2026
1945
ANIMATION / SPAIN

Release of Garbancito de la Mancha

The first Spanish feature-length animated film is released, directed by Arturo Moreno and produced by Balet y Blay. The work was declared of national interest by the Franco regime.

6 sources
  1. El cine de animacióneducomunicacion.es · accessed 10/26/2026
  2. La animación española de largometrajenuevaepoca.revistalatinacs.org · accessed 10/17/2026
  3. Historia de la animación en Españawww.esdip.com · accessed 10/26/2026
  4. Historia del cine de animación | PDFes.slideshare.net · accessed 10/17/2026
  5. La animación española de largometraje: pasado, presente y ...www.researchgate.net · accessed 10/17/2026
  6. Pepita Pardell: paradigma de la invisibilización de la mujer en el cine animado españolopenalex.org · accessed 10/26/2026
1944
HOME DÉCOR / SPAIN

Restoration work affects the decoration of the Romanticism Museum’s rooms

The restoration affected the façade, a building wing, the staircase and the rooms’ decoration, as well as the corridors and garden. The source does not specify the colours, materials or motifs used.

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1 source
  1. Archivo del Museo Nacional del Romanticismo (Madrid ...censoarchivos.mcu.es · accessed 09/23/2026
1942
COMICS AND MAGAZINES / UNITED STATES

George Lowther writes a Superman novel

In 1942, George Lowther wrote a novel about Superman. The article notes that Lowther was also a scriptwriter for the radio programme The Adventures of Superman, but establishes no specific narrative connection between the two stories.

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1 source
  1. La evolución del origen de Supermantranslate.google.com · accessed 10/16/2026
1942
EVERYDAY LIFE / UNITED STATES

Fantasia begins to be reissued

From 1942 onward, Fantasia was reissued several times by RKO Radio Pictures and Buena Vista Distribution; the different versions altered, removed, or restored original footage and sound.

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1 source
  1. Fantasía (película)es.wikipedia.org · accessed 09/25/2026
13 November 1940
FILM / UNITED STATES

Fantasia premieres in New York and begins its roadshow

Fantasia’s first screening took place at New York’s Broadway Theatre on 13 November 1940. It was subsequently presented as a roadshow in thirteen US cities between 1940 and 1941.

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1 source
  1. Fantasía (película)es.wikipedia.org · accessed 10/22/2026
1940
RESTORATION / ARGENTINA

A decree establishes the creation of the Provincial Historical Museum of Santa Fe

Governor De Iriondo established the Provincial Historical Museum by decree 892/1940, on the site associated with the Diez de Andino family.

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1 source
  1. Censo-Guía de Archivos de España e Iberoaméricacensoarchivos.cultura.gob.es · accessed 09/27/2026
1939
COMICS AND MAGAZINES / UNITED STATES

A Superman newspaper strip is commissioned

In 1939, McClure Syndicate commissioned a Superman newspaper strip. According to the article, this gave Jerry Siegel and Joe Shuster an opportunity to expand the origin and use elements that did not fit the magazine format.

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1 source
  1. La evolución del origen de Supermantranslate.google.com · accessed 10/16/2026
1939
RESTORATION / ITALY

MAUTO opens to the public in Turin

The museum opened to the public in rooms beneath the municipal stadium’s stands, at a venue described as provisional.

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1 source
  1. El MAUTO - MAUTOwww.museoauto.com · accessed 10/25/2026
18 April 1938
COMICS AND MAGAZINES / UNITED STATES

Superman debuts in Action Comics #1

The source states that Superman debuted in Action Comics #1 on April 18, 1938; it also clarifies that the cover was dated June 1938.

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2 sources
  1. La evolución del origen de Supermantranslate.google.com · accessed 10/16/2026
  2. Supermanes.wikipedia.org · accessed 10/13/2026
1938
FOOD AND SWEETS / UNITED STATES

Founding of Dairy Queen by J.F. McCullough, Alex McCullough, and Sherb Noble

J.F. McCullough, his son Alex, and Sherb Noble founded Dairy Queen in Joliet, Illinois, introducing soft-serve ice cream as an innovation to prevent rapid melting.

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2 sources
  1. ¿Sabes cómo surgió el imperio de helados #DairyQueen? ...www.facebook.com · accessed 10/15/2026
  2. 44 años endulzando el camino: Origen, evolución y el ADN ...stenger.es · accessed 10/15/2026
1938
FILM / UNITED STATES

Disney decides to turn The Sorcerer’s Apprentice into a feature film

In 1938, Walt Disney decided to incorporate The Sorcerer’s Apprentice project into a multi-segment feature built around classical music.

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1 source
  1. Fantasía (película)es.wikipedia.org · accessed 09/25/2026
21 December 1937
ANIMATION / UNITED STATES

Premiere of Snow White and the Seven Dwarfs

The evidence states that the film premiered on December 21, 1937, at the Carthay Circle Theatre in Hollywood.

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4 sources
  1. nuevas lecturas en torno al personaje de Cenicientawww.researchgate.net · accessed 10/17/2026
  2. Historia de la animacióntranslate.google.com · accessed 10/25/2026
  3. El Cine animado de Walt Disney - Fundamentos del Arte IIprofeanacob.wordpress.com · accessed 10/25/2026
  4. Snow White and the Seven Dwarfses.wikipedia.org · accessed 10/17/2026