Question: When did the Champions league start and finish for the Welsh National League ( Wrexham Area ) team who plays at the Riverside stadium ?

text: Welsh National League (Wrexham Area)
Divisional Champions
The league has undergone various restructures in its history , with the number of divisions and their names changing . [ 5 ] For its first season the league had just one division , the Senior Division . Season Senior Division 1945–46 Llay United In 1946 two regional divisions were introduced below the Senior Division . Season Senior Division East Division West Division 1946–47 Wrexham ' A ' Rhostyllyn Sports Club Gresford Athletic 1947–48 Chirk AAA Rhostyllen/Bersham BL Coedpoeth 1948–49 Johnstown United Overton St Mary 's Coedpoeth In 1949 the regionalised divisions were merged and the resulting three divisions renamed Divisions One , Two and Three . Season Division One Division Two Division Three 1949–50 Chirk AAA Ruabon Athletic New Boughton 1950–51 Druids United Penycae Rubery Owen Rockwell 1951–52 Chirk AAA Holt Nomads Royal Pioneer Corps 1952–53 Overton St Mary 's Llangollen Town Bradley Rangers In 1953–54 Division Three was not contested due to a lack of clubs . Season Division One Division Two 1953–54 Overton St Mary 's Bradley Rangers In 1954 Division Three was revived . Season Division One Division Two Division Three 1954–55 Welshpool Gresford Colliery Bradley Rangers Reserves 1955–56 Buckley Wanderers Holt Nomads Tanyfron Youth Club 1956–57 Welshpool Rubery Owen Rockwell Ponciau Youth Club 1957–58 Brymbo Steelworks Royal Pioneer Corps Marshalls Sports Club 1958–59 Chirk AAA Rhos Aelwyd Tanyfron 1959–60 Chirk AAA Buckley Rovers Fron In 1960 Division Three was discontinued once again . Season Division One Division Two 1960–61 Chirk AAA Pentre Broughton 1961–62 Welshpool Rhosddu In 1962 Division Three was revived once again . Season Division One Division Two Division Three 1962–63 Llay Welfare Gresford Athletic Summerhill 1963–64 Ruthin Town Summerhill Llanuwchllyn 1964–65 Welshpool Buckley Rovers Coedpoeth Sports Club 1965–66 Brymbo Steelworks Rubery Owen Rockwell Marshalls Sports Club 1966–67 Brymbo Steelworks Coedpoeth Sports Club British Celanese 1967–68 Llangollen Town Bala Town Rossett Villa 1968–69 Final tables not available In 1969 Division Three was split into two sections , A and B . Season Division One Division Two Division Three A Division Three B 1969–70 Brymbo Steelworks Druids United Gresford Athletic Reserves Cefn Albion In 1970 the two Division Three sections were reorganised into Divisions Three and Four . Season Division One Division Two Division Three Division Four 1970–71 Brymbo Steelworks Burntwood & Drury Rhosddu Castell Alun 1971–72 Llangollen Town Rhosddu Castell Alun Druids United Reserves 1972–73 Denbigh Town Ruabon St Marys Hawarden Rangers Treuddyn Villa 1973–74 Denbigh Town Buckley Rovers Coedpoeth Sports Club Overton Athletic In 1974 the four divisions were reduced to just two . Season Division One Division Two 1974–75 Denbigh Town Lex XI In 1975 Division Three was reintroduced . Season Division One Division Two Division Three 1975–76 Denbigh Town Coedpoeth Sports Club Castell Alun Colts In 1976 Division Three was discontinued once again . Season Division One Division Two 1976–77 Brymbo Steelworks Castell Alun Colts 1977–78 New Broughton Cefn Albion In 1978 Divisions Three and Four were revived . Season Division One Division Two Division Three Division Four 1978–79 Brymbo Steelworks Chirk AAA Penley Tunnel Cement In 1978 Division Four was discontinued once again . Season Division One Division Two Division Three 1979–80 Cefn Albion Ruthin Town Grapes In 1980 Division Four was once again revived . Season Division One Division Two Division Three Division Four 1980–81 Cefn Albion Rhostyllen Villa Grapes New Broughton 1981–82 Brymbo Steelworks Grapes Hawkesbury Villa Coedpoeth 1982–83 Brymbo Steelworks Rhos Aelwyd Coedpoeth Llay RBL In 1983 Division Four was split into two sections , North and South . Season Division One Division Two Division Three Division Four ( North ) Division Four ( South ) 1983–84 Chirk AAA Lex XI Reserves Penycae Connah 's Quay Reserves Johnstown Athletic In 1983 the two Division Four sections were merged back and the four divisions renamed Premier , One , Two and Three . Season Premier Division Division One Division Two Division Three 1984–85 Lex XI Llay RBL Chirk AAA Reserves Llangollen Town Reserves 1985–86 Mold Alexandra Llangollen Town Penycae Reserves Bradley 1986–87 Mold Alexandra Llay Welfare Corwen Flint Town 1987–88 Lex XI Corwen St Marys Ruabon New Broughton 1988–89 Lex XI Rhostyllen Villa Marchwiel Villa Kelloggs 1989–90 Mold Alexandra Bala Town New Broughton Kinnerton In 1990 Division Three was discontinued . Season Premier Division Division One Division Two 1990–91 Marchwiel Villa Llay Welfare Bradley 1991–92 Wrexham Reserves Treuddyn Villa British Aerospace 1992–93 Penley Cefn Druids Reserves Rhostyllen/Bersham 1993–94 Penycae Brymbo Reserves Rhosddu 1994–95 Oswestry Town Rhostyllen/Bersham RBL Wrexham Colts 1995–96 Gresford Athletic Wrexham Colts Gresford Athletic Colts 1996–97 Wrexham Colts Castell AC Owens Corning 1997–98 Penley Bala Town Bradley Villa 1998–99 Corwen Bradley Villa Borras Park Albion In 1999 Division Three was revived . Season Premier Division Division One Division Two Division Three 1999–2000 British Aerospace Hand Hotel Cefn United Buckley Town 2000–01 Gresford Athletic Cefn United Llay Welfare Colts Queen 's Park 2001–02 Mold Alexandra Mynydd Isa Queen 's Park Brynteg Village 2002–03 Castell Alun Colts Queen 's Park Brynteg Village Ruabon Villa 2003–04 Bala Town Acrefair Youth Coedpoeth United Buckley Town Reserves 2004–05 Queen 's Park Brynteg Village New Brighton Villa Mold Juniors 2005–06 Rhos Aelwyd Castell Alun Colts Bala Town Reserves Venture Community 2006–07 Brymbo Bala Town Reserves Venture Community Brymbo Reserves 2007–08 Brymbo Airbus UK Reserves Garden Village FC Cefn In 2008 , all reserve and colts teams were split off , leaving two divisions for first teams and two divisions for lower teams .
The Welsh National League (Wrexham Area) is a football league in Wales and operates at level 3 and 4 of the Welsh football league system in Flintshire and Wrexham County Borough, but some teams are from Denbighshire (Corwen and Llangollen Town) and Gwynedd (Llanuwchllyn). For sponsorship purposes it is currently known as the Guy Walmsley & Co Welsh National League.
Season Premier Division Division One Reserves Division Reserves & Colts Division
2008-09 Llangollen Town FC Cefn Bala Town Castell AC
2009-10 Rhos Aelwyd Garden Village Airbus UK Ruthin Town
2010-11 Penycae Penyffordd Rhos Aelwyd Airbus UK
2011-12 FC Cefn Saltney Town Chirk AAA Mold Alex
2012-13 Chirk AAA Borras Park Albion Ruthin Town Buckley Town
2013-14 Mold Alexandra FC Nomads of Connah 's Quay Penycae FC Nomads of Connah 's Quay
2014-15 Gresford Athletic FC Queens Park Cefn Druids Mold Alex
2015-16 FC Nomads of Connah 's Quay Cefn Albion Mold Alex Saltney Town
2016-17 FC Queens Park Lex Glyndwr Cefn Druids Flint Town United
2017-18 Buckley Town Brymbo Ruthin Town Brickfield Rangers
2018-19 Corwen Plas Madoc Cefn Druids Holywell Town FC
2019-20 Holywell Town Hawarden Rangers Mold Alexandra Connah 's Quay Nomads