Corpus

Temporal information retrieval

NTCIR Temporal Information Access (Temporalia)

GUTime - Adding TIMEX3 Tags

The Stanford Natural Language Processing Group

CLiPS (Computational Linguistics & Psycholinguistics) 

Historical Events on this Day in History

http://www.historyworld.net

 http://www.bbc.co.uk/history

http://www.dl.kuis.kyoto-u.ac.jp/~adam/publications.html 

Egas is a web-based platform for biomedical text mining and collaborative curation, supporting manual and automatic annotation of concepts and relations.

MemeTracker (Jure Leskovec)

Jet (Java Extraction Toolkit)

ReVerb Open Information Extraction Software