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  2. Technology during World War I - Wikipedia

    en.wikipedia.org/wiki/Technology_during_World_War_I

    Perhaps the most famous fighter plane during World War 1 was the Fokker as it was the first to include a synchronized machine gun. [23] [24] [25] Towards the end of the conflict, aircraft carriers were used for the first time, with HMS Furious launching Sopwith Camels in a raid to destroy the Zeppelin hangars at Tønder in 1918. [26]

  3. History of radio - Wikipedia

    en.wikipedia.org/wiki/History_of_radio

    The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy".

  4. Timeline of radio - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_radio

    Audio broadcasting (1915 to 1950s) 1919: First clear transmission of human speech, (on 9XM) after experiments with voice (1918) and music (1917). 1920: Regular wireless broadcasts for entertainment began in Argentina, pioneered by the group around Enrique Telémaco Susini. 1920: Spark-gap telegraphy stopped.

  5. A map showing when radio broadcasting was introduced in each country. 1920s, 1st half, or earlier (33) 1920s, 2nd half (53) 1930s (56) 1940s (35) 1950s (27) 1960s or later (17) No data. This is a list of when the first radio broadcasts to the public occurred in the mentioned countries and territories.

  6. Radio - Wikipedia

    en.wikipedia.org/wiki/Radio

    Radio is the technology of communicating using radio waves. [1][2][3] Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an antenna which radiates oscillating electrical energy, often characterized as a wave.

  7. Interwar period - Wikipedia

    en.wikipedia.org/wiki/Interwar_period

    Interwar period. Silesia tension between the Poles and Germans. In the history of the 20th century, the interwar period (or interbellum) lasted from 11 November 1918 to 1 September 1939 (20 years, 9 months, 21 days) – from the end of World War I (WWI) to the beginning of World War II (WWII). It was relatively short, yet featured many social ...

  8. Invention of radio - Wikipedia

    en.wikipedia.org/wiki/Invention_of_radio

    A French ship-to-shore radio station in 1904. The invention of radio communication was preceded by many decades of establishing theoretical underpinnings, discovery and experimental investigation of radio waves, and engineering and technical developments related to their transmission and detection. These developments allowed Guglielmo Marconi ...

  9. History of Europe - Wikipedia

    en.wikipedia.org/wiki/History_of_Europe

    History of Europe. The history of Europe is traditionally divided into four time periods: prehistoric Europe (prior to about 800 BC), classical antiquity (800 BC to AD 500), the Middle Ages (AD 500–1500), and the modern era (since AD 1500). The first early European modern humans appear in the fossil record about 48,000 years ago, during the ...