<P> `` I Do n't Like Mondays '' is a song by Irish band The Boomtown Rats that was a number one single in the UK Singles Chart for four weeks during the summer of 1979 , and ranks as the sixth biggest British hit of 1979 . Written by Bob Geldof , it was the band 's second number one single . </P>
when was i do n 't like mondays released
1979