Event:
Australian travelers are warned they may face more disruption from the 2011 Puyehue-Cordon Caulle eruption in Chile
More Notable Events on June 20:
1990 50,000 die in a 7.6 earthquake in Iran
1977 Oil enters Trans-Alaska pipeline exits 38 days later at Valdez
1949 Central Intelligence Agency Act, passes
1867 President Andrew Johnson announces purchase of Alaska
1840 Samuel Morse patents his telegraph
