an Entity references as follows:
The 1986 All-Ireland Under-21 Football Championship was the 23rd staging of the All-Ireland Under-21 Football Championship since its establishment by the Gaelic Athletic Association in 1964. Cork entered the championship as defending champions. On 14 September 1986, Cork won the championship following a 3-16 to 0-12 defeat of Offaly in the All-Ireland final. This was their seventh All-Ireland title overall and their third in successive seasons.