Title: I Don't Like Mondays
Content:  "I Don't Like Mondays" is a song by Irish new wave group the Boomtown Rats about the 1979 Cleveland Elementary School shooting in San Diego. It was released in 1979 as the lead single from their third album, The Fine Art of Surfacing. The song was a number one single in the UK Singles Chart for four weeks during the summer of 1979, and ranks as the sixth biggest hit of the UK in 1979. Written by Bob Geldof and Johnnie Fingers, the piano ballad was the band's second single to reach number one on the UK chart.
Title: I Don't Like Mondays.
Content: I Don't Like Mondays. Official Site 
Title: I Don't Like Mondays.
Content:  The band name "I Don't Like Mondays." was named because the members liked the idea of using a sentence. The band has stated that the truly dislike Mondays, and they consider it to be a weekly holiday.
Title: I Don't Like Mondays.
Content: 6 February 	Released a single "SORRY". ; 16 July 	Released a single "TONIGHT". ; 5 September	Announced to collaborate with "RESTIR" and launched "IDLMs. CREATIVE DRECTION BY RESTIR EDITION". ; 28 September	Released a second full album "FASHON". ; 29 October "Freaky boy" from the album "FASHION" was used in the commercial movie of Google Play Music in Japan. ; 30 October	Went on a "FASHION" tour and visited five cities. About 2000 people showed up for the tour final concert held at ZEPP DIVERCITY in Tokyo. 
Title: I Hate Mondays (song)
Content:  "I Hate Mondays" is a song by English singer-songwriter and musician Newton Faulkner. The song was released on 11 September 2009 in Australia. The song peaked at number 8 on the Australian Singles Chart. The lyrics to the song were written by Michael "Horgs" Horgan for the Hamish & Andy Show; specifically, the lyrics were made for a segment of the show called "Horgs' Inventions", where Horgs noted that there hadn't been any songs about hating Mondays in a long time. Harry Connick Jr also performed a version of the song, but his version was not officially released as a single.
Title: I Don't Like Mondays
Content:  for doing it. So perhaps I wrote the perfect senseless song to illustrate it. It wasn't an attempt to exploit tragedy." Geldof had originally intended the song as a B-side, but changed his mind after the song was successful with audiences on the Rats' US tour. Spencer's family tried to prevent the single from being released in the United States. In later years, Geldof admitted that he regretted writing the song because he "made Brenda Spencer famous". In 2019 Bob Geldof and Johnnie Fingers reached an agreement in their dispute over who wrote the song, until then credited solely to Geldof. Fingers received a financial settlement and co-credit.
Title: I Don't Like Mondays
Content:  less than a month later. Geldof explained how he wrote the song: "I was doing a radio interview in Atlanta with Johnnie Fingers and there was a telex machine beside me. I read it as it came out. Not liking Mondays as a reason for doing somebody in is a bit strange. I was thinking about it on the way back to the hotel and I just said 'silicon chip inside her head had switched to overload'. I wrote that down. And the journalists interviewing her said, 'Tell me why?' It was such a senseless act. It was the perfect senseless act and this was the perfect senseless 
Title: I Don't Like Mondays.
Content: 10 March	Held "IDLMs JOINT GIG TOUR". ; 17 March	Released a digital single "PRINCE". ; 25 April	"Shape of Love" was selected for H&M's sales campaign called "Happy Golden Week" which was H&M's first Japan original campaign. They also performed in the promotional movie for this campaign. ; 7 June	Released an E.P "SUMMER". ; 25 December	Released a digital single "My Girl" without any pre-campaigns as a surprise. 
Title: I Don't Like Mondays
Content:  According to Geldof, he wrote the song after reading a telex report at Georgia State University's campus radio station, WRAS, on the shooting spree of 16-year-old Brenda Ann Spencer, who fired at children in a school playground at Grover Cleveland Elementary School in San Diego, California, on 29 January 1979, killing two adults and injuring eight children and one police officer. Spencer showed no remorse for her crime; her explanation for her actions was "I don't like Mondays. This livens up the day". Geldof had been contacted by Steve Jobs to play a gig for Apple, inspiring the opening line about a "silicon chip". The song was first 
Title: I Don't Like Mondays.
Content:  They produce not only music but also direct live shows and music videos by themselves. The band is active in the fashion industry, such as co-producing with "RESTIR,", a Japanese fashion brand/boutique.

Question: when was i don't like mondays released?
Answer: 1979.
21 July 1979.