February 23

1932 - Actor Majel Barrett (Lwaxana Troi, among many others) is born.

1987 - Supernova 1987a: A supernova is seen in the Large Magellanic Cloud.

1997 - A large fire occurs in the Russian Space station, Mir.

2005 - Astronomers announce the discovery of a galaxy, "VIRGOHI21," which consists almost entirely of dark matter.

2404 - Darsyn Syntranos is assigned as commanding officer of the USS Gettysburg, BC-1863.