The history of radio in a few words 1835 Invention of the telegraph based on elektormagnet 1836 Samuel Morse presented alphabet in the form of dots and dashes, Morse code 1876 Alexander Graham Bell patents the telephone 1864 Maxwell presupposes the existence of radio waves 1888 Heinrich Hertz demonstrated the existence of radio waves 1866 Mahlon Loomis successfuly demonstrated wireless telegraphy 1895 Guglielmo Marconi sent and received the first radio signal in Italy 1899 Guglielmo Marconi sent the first wireless signal across the British channel 1902 Guglielmo Marconi received the letter "S", which was telegrafed from England to Newfoundland in Canada. This was the first successful transfer of radio-telegraphic messages across the Atlantic 1899 U.S. Army established the first radio communication 1902 Navy introduced a wireless system 1903 Marconi radio station located in Wellfleet, Massachusetts transfered greetings betveen U.S. President Roosevelt and King Edward VII 1905 First employment of the radio for military purposes in the Russian Japanese War 1905 Radio carried reports on the naval battle of Port Arthur between the Russian and the Japanese Navy 1906 The U.S. Weather Service experimented with transmitting information about weather via radio-telegraphy 1906 Lee Deforest invented the electronic tube- triode and Avdion 1907 Lee Deforest invented the detector De Forest was the first to use the word "radio". Inventionof the amplitude modulated (AM) signals was result of De Forest inventions 1906 Reginald A. Fessenden transmitted speech and music 1915 The first transit of speech through the American continent from New York to San Francisco and across the Atlantic from the Naval radio station NAA at Arlington, Virginia, to the Eiffel Tower in Paris 1922, the first conversation took place between the ship and the coast between the base of Deal Beach, New Jersey and the ship SS America, 400 miles at sea 1933 Edwin Howard Armstrong invented frequency modulation, or FM radio 1947 Bell Laboratories invented the transistor 1954 Japanese factory Sony made the first transistor radio History of Radio in Slovenia For the first experiment with the so-called wireless radiotelegrafy in Slovenia can be considered the establishment of a link between Kranj and Šmarjetna gora, which the students conducted in 1903. 1915 Using the radio on the Isonzo Front 1916 Julius Kugy involved in setting up artillery observation, fitted with a radio on Mount Mangart 1925 Radio Club was founded in Ljubljana, which was the first such club in Slovenia 1927 in Ljubljana, the first Slovenian radio transmitter in Domzale was assembled 1928 end a period of constant new inventions in the field of radio, and beginning of developing radio receivers 28.oktober 1928 was solemnly opened the first radio station in Ljubljana on Prešernova Street (then Bleiweisova) called Radio Ljubljana. This was largely done by Marij Osana - father of Slovenian radiofonia On 17th november 1941, the first broadcast of radio Kricac (resistance radio transmitter) On 5th april 1942 Kričač last broadcasting On 7th avgust 1944 was launched Radio Liberation Front (ROF) 1962 Slovenian factory Iskra produced the first transistor radio in Yugoslavia Today, in Slovenia there are more than 60 local and commercial radio stations .