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This section is in a list format that may be better presented using prose.You can help by converting this section to prose, if appropriate. Editing help is available.(June 2014)
March 15, 1951 - Asahi Broadcasting Corporation was founded in Nakanoshima, Kita-ku, Osaka. ABC started AM radio broadcasting on November 11 (1010 kHz).
May 25, 1955 - ABC and New Japan Broadcasting Company (NJB, the predecessor of Mainichi Broadcasting System, Inc.) founded Osaka Television Co., Ltd.(大阪テレビ放送株式会社,Ōsaka Terebi Hōsō Kabushiki-gaisha?, OTV) in Dojima, Kita-ku, Osaka. Currently, ANA Crowne Plaza Hotel Osaka is located at the place the head office of OTV used to be.
December 1, 1956 - OTV started television broadcasting on channel 6, under the callsign JOBX-TV.
March 1, 1959 - ABC acquired OTV and renamed the television station ABC Osaka Television(朝日放送大阪テレビ,Asahi Hōsō Ōsaka Terebi?, ABC-OTV).
June 1, 1959 - ABC merged with OTV, and has been broadcasting both television and radio since then. The head office of OTV was named "ABC Dojima Station" for the use of the TV station.
November 23, 1978 - The frequency of ABC AM radio changed from 1010 kHz to 1008 kHz.
March 23, 2001 - ABC acquired ISO 14001 certification, the first broadcaster in Japan to do so.
January 1, 2008 - The ABC logo was redesigned, featuring the call letters ABC and the name "Asahi Broadcasting Corporation", "朝日放送", "Radio", or "TV" under the slope line from the letter "C". A simplified version (only three latters of "ABC") is used in program credits. The current advertising slogan of the station, Info Designing ABC, was also launched.
May 19, 2008 - ABC moved the headquarters from Oyodo-minami Nichome, Kita-ku to Fukushima Itchome, Fukushima-ku, Osaka.
June 23, 2008 - ABC started broadcasting from its present headquarters.