Event:
Four genetically different types of breast cancer are identified by researchers; the study, part of the Cancer Genome Atlas, will help scientists understand how to cure breast cancer in the future
More Notable Events on September 23:
1990 PBS begins an 11 hour miniseries on Civil War
1990 Saddam says he will destroy Israel
1986 Congress selects the rose as U.S. national flower
1976 Ford-Carter TV debate
1961 1st movie to become a TV series - How to Marry a Millionaire
