Categorical Structures for Descent and Galois Theory, Hopf Algebras and Semiabelian Categories
- Workshop, Fields Institute, Toronto, Canada; 23--28 September 2002.
- http://www.fields.utoronto.ca/programs/scientific/02-03/galois_and_hopf/

CT2000
- Villa Olmo, Como, Italy; 16--22 July 2000.
- http://www.disi.unige.it/conferences/ct2000/

Category Theory OctoberFest
- McGill University, Montreal, Canada; 16--17 October 1999.
- http://www.math.mcgill.ca/triples/octoberfest99.html

Applications of Category Theory to Computer Science
- Mount Allison University, Sackville, NB, Canada; 8--12 June 1998.
- http://www.mta.ca/~cat-dist/ctss98/

CTCS'99
- 8th conference on Category Theory and Computer Science. Edinburgh, Scotland, UK; 10--12 September 1999.
- http://www.dcs.ed.ac.uk/home/ctcs99/

CTCS'97
- 7th conference on Category Theory and Computer Science. S. Margherita Ligure, Italy; 4--6 September 1997.
- http://www.disi.unige.it/conferences/ctcs97/

CT95
- Canadian Mathematical Society Annual Seminar. Dalhousie University, Halifax, Canada; 9--15 July 1995.
- http://www.mta.ca/~cat-dist/ct95.html

School on Category Theory and Applications
- University of Coimbra, Portugal; 13--17 July 1999.
- http://www.mat.uc.pt/~scta/

CT99
- University of Coimbra, Portugal; 19--24 July 1999.
- http://www.mat.uc.pt/~ct99/

CatMAT 2000
- Categorical Methods in Algebra and Topology - Commemorating 25 years of Category Theory in Bremen. University of Bremen, Germany; 21--25 August 2000.
- http://katmat.math.uni-bremen.de/catmat2000/