May 2007 timeline has 5 events: 3 releases, 0 ends of active support, 2 ends of life, 0 ends of extended support.
OpenBSD 3.9 reached its end of life.
OpenBSD 4.1 was released.
Jira Software 3.9 was released.
BIG-IP 9.0 reached its end of life.
Fedora Linux 7 was released.
