Event:
20 tons of gelignite in a stone quarry at Easton Pennsylvania, kills 21
More Notable Events on March 26:
1982 Ground-breaking in Washington, D.C. for Vietnam Veterans Memorial
1979 Menachem Begin and Anwar Sadat sign peace treaty in Washington D.C.
1970 Golden Gate Park Conservatory made city landmark
1953 Dr. Jonas Salk announces vaccine to prevent polio
1872 7.8 earthquake shakes Owens Valley, California
