List of previous conferences:

I Lublin September 21-23, 1970
II Słupia Wielka September 11-23, 1972
III Wrocław September 10-24, 1973
IV Poznań September 10-15, 1974
V Olsztyn September 15-20, 1975
VI Kielce September 6-12, 1976
VII Puławy September 12-17, 1977
VIII Międzyzdroje September 18-23, 1978
IX Stare Pole September 17-22, 1979
X Lublin-Piaseczno September 15-20, 1980
XI Kielce-Cedzyna September 21-26, 1981
XII Falenty-Jaworki September 20-25, 1982
XIII Zamość September 19-24, 1983
XIV Rzeszów September 21-26, 1984
XV Świnoujście September 16-21, 1985
XVI Siedlce September 15-20, 1986
XVII Lublin September 21-26, 1987
XVIII Borków near Kielce September 19-23, 1988
XIX Hołny Meyera near Sejny September 18-22, 1989
XX Siedlce September 17-18, 1990
XXI Warszawa September 16-19, 1991
XXII Olsztyn September 21-24, 1992
XXIII Lublin September 20-22, 1993
XXIV Kraków September 19-22, 1994
XXV Miętne near Garwolin September 18-21, 1995
XXVI Inowrocław September 15-20, 1996
XXVII Jaszowiec September 15-18, 1997
XXVIII Inowrocław September 14-17, 1998
XXIX Piechowice September 13-16, 1999
XXX Wigry near Suwałki September 17-21, 2000
XXXI Skorzęcin September 17-20, 2001
XXXII Krasnobród September 17-21, 2002
XXXIII Rajgród September 14-18, 2003
XXXIV Świnoujście September 5-9, 2004
XXXV Dymaczewo September 12-15, 2005
XXXVI Olsztyn September 11-14, 2006
XXXVII Dymaczewo September 11-13, 2007
XXXVIII Warszawa September 8-11, 2008
XXXIX Kazimierz Dolny September 6-10, 2009
XL Będlewo/Poznań August 29 - September 2, 2010
XLI Lublin September 5-8, 2011
XLII Skierniewice September 9-12, 2012
XLIII Siedlce September 8-11, 2013
XLIV
XLIV
Kraków September 7-10, 2014
XLV
Dymaczewo September 6-9, 2015
XLVI Lublin September 5-7, 2016
XLVII
Kiry next to Zakopane 10-14 September, 2017
XLVIII
Szamotuły 9-13 September, 2018