Bristol Quiz League started in 1949. The News Chronical Challenge Cup was first presended to KLEEN-E-ZE in May 1951.
Past winners
| Season | Winners |
|---|---|
| 1950-51 | KLEEN-E-ZE A & S.C. |
| 1951-52 | KLEEN-E-ZE A & S.C. |
| 1952-53 | Bristol Pottery |
| 1953-54 | G.B. Brittain and Sons Ltd. |
| 1954-55 | KLEEN-E-ZE A & S.C. |
| 1955-56 | Inland Revenue |
| 1956-57 | Gnomons |
| 1957-58 | Gnomons |
| 1958-59 | Gnomons |
| 1959-60 | Gnomons |
| 1960-61 | Gnomons 'A' |
| 1961-62 | Gnomons 'A' |
| 1962-63 | Gnostics |
| 1963-64 | Gnomons 'A' |
| 1964-1965 | Ashton Engineers |
| 1965-1966 | Harlequins |
| 1966-1967 | Westbury on Trym Townswomens Guild 'A' |
| 1967-1968 | Quidnuncs |
| 1968-69 | Charlton Club |
| 1969-70 | Gnomons 'A' |
| 1970-71 | Quidnuncs |
| 1971-72 | Quidnuncs |
| 1972-73 | Quidnuncs |
| 1973-74 | Gnomons 'A' |
| 1974-75 | Gnomons 'A' |
| 1975-76 | Gnomons 'A' |
| 1976-77 | Gnomons 'A' |
| 1977-78 | Schooners |
| 1978-79 | Charlton |
| 1979-80 | Kleen-e-ze |
| 1980-81 | Gnomons 'B' |
| 1981-82 | Kleen-e-ze |
| 1982-83 | Bankrupts |
| 1983-84 | Bankrupts |
| 1984-85 | Bankrupts |
| 1985-86 | Bankrupts |
| 1986-87 | Gnomons 'B' |
| 1987-88 | Smart Lads |
| 1988-89 | Bankrupts |
| 1989-90 | Bankrupts |
| 1990-91 | Sheepworrying |
| 1991-92 | Autolycus |
| 1992-93 | Lings |
| 1993-94 | Sheepworrying |
| 1994-95 | Lings |
| 1995-96 | Team With No Name |
| 1996-97 | Lings |
| 1997-98 | Team With No Name |
| 1998-99 | Lings |
| 1999-2000 | Lings |
| 2000-01 | Lings |
| 2001-02 | Philosophers |
| 2002-03 | Philosophers |
| 2003-04 | Lings |
| 2004-05 | Sheepworrying |
| 2005-06 | Sheepworrying |
| 2006-07 | Sheepworrying |
| 2007-08 | Sheepworrying |
| 2008-09 | Gnomons |
| 2009-10 | Sheepworrying/Gnomons |
| 2010-11 | Sheepworrying |
| 2011-12 | Sheepworrying |
| 2012-13 | Sheepworrying |
| 2013-14 | Sheepworrying |
| 2014-15 | Sheepworrying |
| 2015-16 | Sheepworrying |
| 2016-17 | Sheepworrying |
| 2017-18 | Sheepworrying |
| 2018-19 | Sheepworrying |