1890s

1910s

June 14 and 15, 1893

June 16, 1897

May 26, 1918

1920s

1930s

May 26, 1932

May 30, 1937

1940s

1950s

May 23, 1943

May 19, 20, and 21, 1944

June 3, 1945

June 2, 1946

1960s

1970s

1980s

1990s

May 24, 1980

May 23, 1981

May 22, 1982

May 21, 1983

May 19, 1984

May 25, 1985

May 17, 1986

May 9, 1987

May 7, 1988

May 6, 1989

2000s

2010s

December 11, 2010

December 11, 2010 (Graduate and New College)

May 14, 2011

December 17, 2011

December 17, 2011 (Graduate and New College)

May 12, 2012

May 11, 2013

May 10, 2014

May 9, 2015 

May 9, 2015 (Graduate and New College)

May 7, 2016

May 13, 2017

May 13, 2017 (Graduate and New College)

May 12, 2018

May 12, 2018 (Graduate and New College)

May 11, 2019

2020s