Event:
Bell labs announces 1st solar battery
More Notable Events on April 25:
1990 Hubble space telescope is placed into orbit by shuttle Discovery
1980 Announcement of Jimmy Carter hostage rescue bungle in Iran
1979 Peace treaty between Israel and Egypt goes into effect
1960 1st submerged circumnavigation of Earth completed by Triton
1886 Sigmund Freud opens practice at Rathausstrasse 7, Vienna
