Event:
Ukrainian President Petro Poroshenko initiates a 7-day cease-fire, allowing troops to defend themselves but not to attack; during the cease-fire, separatists can turn in weapons and receive amnesty; so far, rebels have rejected the offer
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
