The list was prepared based on a study compiled by Zdzisław Hojka:

 
1924
  • Graphics and watercolors of Leon Wyczółkowski – November 1 
1928
  • Exhibition of Acquisitions made by the Municipal Museum – February 6 – March 7
1934
  • Exhibition of works of Professor Leon Wyczółkowski – April 22 – May 5
1937               
  • Postmortem exhibition of graphics by Leon Wyczółkowski, on the 85th anniversary of his birth - April 1- June 30
  • Exhibition of works donated by Mrs. Wyczółkowska, Professor Konstanty Laszczka, and Chairman Kazimierz Kierski – July 4 – November 15
1938             
  • Białowieża Portfolio, Pomeranian Portfolio of Leon Wyczółkowski – April – May
  • Exhibition of paintings of Leon Wyczółkowski –  July – November
1946
  • Gallery of Leon Wyczółkowski – April 11 – 
1948
  • Gifts donated by engineer Kazimierz Szulisławski. Works of Leon Wyczółkowski – September 3 – November 6           
1949
  • Leon Wyczółkowski, a painter of trees – April 10 – June 2
  • Leon Wyczółkowski, flowers – June 12 – August 30
  • Architecture in the works of Leon Wyczółkowski – September 28 – November 20
  • Paintings regained – November 27 – December 12
1950
  • Landscapes by Leon Wyczółkowski – February 12 – March 30
  • Portraits by Leon Wyczółkowski – April 10 – June 25
1951
  • Leon Wyczółkowski in the context of Krakow – March 4 – April 10
  • Graphics of Leon Wyczółkowski – November 18 – December 8
  • Copernicus and Chopin, and memorabilia of Leon Wyczółkowski – December 14 –
1952
  • On the centennial anniversary of the birth of Leon Wyczółkowski – April 14 – September 28
 
1953
  • Countryside in the works of Leon Wyczółkowski – March 31 – May 10
 
1954
  • Architecture in the works of Leon Wyczółkowski – October 24 – December 31
 
1955
  •  Leon Wyczółkowski, selected works – December 16, 1955 – January 15, 1956.
 
1957
  • Leon Wyczółkowski, trees and flowers – June 26 – September 19
  • Graphics of Leon Wyczółkowski – October 15 – November 14
1958
  • From the studio of Leon Wyczółkowski – August 3 – October 6
 
1960
  • Leon Wyczółkowski, selected works – June 1 – September 1.
 
1961
  • Works by Leon Wyczółkowski anniversary of the artist’s death – November 30, 1961 – April 9, 1962
 
1963
  • Trees of Leon Wyczółkowski – August 10 – September 9
 
1964
  • Works by Leon Wyczółkowski – May 29 – November 5, 1973.
 
1965
  • Leon Wyczółkowski, documents, letters, personal memorabilia, studio equipment – December 10 – June 23, 1966
1969
  • Museum Acquisitions 1969. Works by Leon Wyczółkowski and his contemporary Polish artists – December 20 – March 16, 1970
1973
  • Selected works by Leon Wyczółkowski – May 20 – June 10
  • Graphics by Leon Wyczółkowski – June 16 – November 8
  • Works by Leon Wyczółkowski, paintings, drawings – November 13 – July 2, 1974
 
1974
  • Works by Leon Wyczółkowski, paintings, drawings, graphics – October 17 – April 20, 1979
 
1976
  • On the fortieth anniversary of the death of Leon Wyczółkowski – December 15 – March 10, 1977
1977
  • Drawings and sketches by Leon Wyczółkowski – April 5 – November 27
  • Graphics by Leon Wyczółkowski – December 1 – April 20, 1979
1980
  • Leon Wyczółkowski, paintings, drawings – April 19 – December 31
  • Leon Wyczółkowski, paintings, drawings, graphics, the centenary of the museum collections – October 18 – December 31
1982
  • Leon Wyczółkowski, a biographic exhibition on the 130th anniversary of the artist’s birth – April 23 – August 30
1983
  • Graphics by Leon Wyczółkowski – the artist’s technique – May 2-30
1985
  • Tuchola Coniferous Forests in the works of Leon Wyczółkowski – July 19 – October 30
  • Leon Wyczółkowski, paintings, drawings, graphics, and sculptures by Konstanty Laszczka – September 6 – December 31
1986
  • Leon Wyczółkowski on the 50th anniversary of his death – December 16 – 28
1987
  • Leon Wyczółkowski 1852-1936 – October 3 – February 28, 1988
1988
  • Leon Wyczółkowski, biography and works – May 29 – September 22
  • Leon Wyczółkowski, biography and works – November 17 – February 6, 1992
 
1991
  • Wyczółkowski as a legionary – November 6 – February 6, 1992
1992
  • Leon Wyczółkowski – October 15 – January 3, 1993
1994
  • Graphics by Leon Wyczółkowski – January 26 – April 10
  • Leon Wyczółkowski and his students – May 18 – October 2
1995
  • Wyczółkowski as a legionary and painter of trees – January 19 – March 26
  • Leon Wyczółkowski, paintings, graphics, drawings – April 11 – August 29
1996
  • Nature in the works of Leon Wyczółkowski – January 17 – March 10
  • Leon Wyczółkowski, on the 60th anniversary of the artist’s death – December 27 – January 5, 1997
1998
  • The artistic technique of Leon Wyczółkowski – March 12 – May 31
 
2000
  • From the archives of Wyczół, biographic collections of Leon Wyczółkowski – May 18 – June 15
2001
  • Leon Wyczółkowski, “Different every day” – July 16 – September 16
  • Friends – Leon Wyczółkowski, Konstanty Laszczka – November 29 – January 25, 2002.
 
2002
  • Leon Wyczółkowski, paintings, drawings, graphics. The jubilee exhibition on the 150th anniversary of the artist’s birth – April 11 – September 1
2004
  • Leon Wyczółkowski known and unknown – May 19 – September 5
 
2005
  • Leon Wyczółkowski, from the museum’s own collections – May 11 – October 31
 
2006
  • Leon Wyczółkowski, paintings, graphics, drawings – March 22 – May 11
  • To be beautiful. Woman in art – June 2 – August 13
  • Leon Wyczółkowski, on the 70th anniversary of the artist’s death – November 8 – January 2, 2007
2007
  • Leon Wyczółkowski and contemporary artists – July 18 – November 18
  • Leon Wyczółkowski, secrets of the artist’s technique – December 12 – March 24, 2008
In April 2007, a session dedicated to the artist was organized, and tombstone inscriptions of Leon and Franciszka Wyczółkowski were installed on the artist’s grave in Wtelno. As part of co-operation with the Historic Landmark Studies and Preservation Institute of the Nicolaus Copernicus University in Toruń, the Painting and Polychrome Sculpture Preservation Institute, the Museum carried out preservation and studies on paintings and painting supports of Leon Wyczółkowski’s works. The results of these preservation works were presented at the exhibition Secrets of the artist’s technique, which was accompanied by a catalog, showing – for comparison – artworks before and after preservation.
 
2008
  • Leon Wyczółkowski, paintings, drawings, graphics – April 11 – August 3
  • From Poor Clares’ Church to the Młyńska Island – jubilee exhibition – September 26 – December 28
2009
  • The works by Leon Wyczółkowski – permanent exhibition – July 3, 2009 – Leon Wyczółkowski Building, Wyspa Młyńska, ul. Mennica 7
2011
  • From the collection of Leon Wyczółkowski. The donation of the artist for the Museum of Wielkopolska in Poznań – April 13 – June 30

 

2012

  • Around the donation of Franciszka and Leon Wyczółkowski - April 4 - September 2
  • Leon Wyczółkowski – Impressions from Pomerania - May 1 -  December 31
  • Leon Wyczółkowski – an artist, professor - December 18  - March 24, 2013
2013
  • Leon Wyczółkowski 1852-1936. A Painter of the Turn of Centuries -  December 17 - February 23, 2014

2014

  • Painted by violin and bass, Leon Wyczółkowski (1852-1936) - May 30 - December 31
  • Leon Wyczółkowski and the Art of his Epoch - November 14  - June 30

2016

  • Od pomysłu do dzieła. Leon Wyczółkowski -  January 28 - April 03
  • Dworek w Gościeradzu - July 13 - August 31
  • Leon Wyczółkowski (1852-1936), malarstwo, rysunek, grafika - Wystawa ze zbiorów Muzeum Okręgowego im. Leona Wyczółkowskiego w Bydgoszczy - September 29 - December 31
  • Leon Wyczółkowski o sobie – autoportrety - December 15 - February 26
 
The list will be complemented with significant events in a short period of time. You are cordially invited.