CHO 
is a research collaboration in HISTORICAL ONTOLOGY.
The activity during the first research period will have its focus on

1) FUNDAMENTALS OF HISTORICAL ONTOLOGY

and

2) RESEARCH CONCERNING NATURE AS HISTORICAL EXPERIENCE,
distributed in different subphases according to a plan later specified.

The first major event will be a multiple congress
ARISTOTLE TODAY ARISTOTELES HEUTE ARISTOTE AUJOURD’HUI
celebrating the 2400 years anniversary 2016

with colloquia in several countries

Heidelberg, Leuven, Padua, Paris, Helsinki, Lisbon, Notre Dame (Indiana), Moscow, Córdoba and Athens
10 colloquia , approximately 150 lectures