Full Idea
Like Anscombe (1979) I do not think there is such a creature as a general identity condition for events.
Gist of Idea
I do not think there is a general identity condition for events
Source
Peter Simons (Parts [1987], 4.1 n1)
Book Reference
Simons,Peter: 'Parts: a Study in Ontology' [OUP 1987], p.128
A Reaction
My working definition of an event is 'any part of a process which can be individuated'. This leaves you trying to define a process, and define individuate, and then to realise that individuation is not an objective matter.