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| 1968, Jan. 16 |
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| Two U.S. military attachés were slain by guerrillas. On Aug. 28, the U.S. ambassador, John G. Mein, was kidnapped and executed. Urban terrorism proliferated. | 1 |
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| 1970, Feb. 26 |
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| Kidnapping of the Guatemalan foreign minister, Alberto Fuentes Mohr. | 2 |
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| March 31 |
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| Kidnapping of the West German ambassador. The ambassador was executed after negotiations broke down, and West Germany broke off diplomatic relations (April 6). | 3 |
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| July 1 |
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| Col. Carlos Arana Osorio, a conservative, was inaugurated as president. | 4 |
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| Nov. 13 |
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| In the struggle against guerrillas, a state of siege was again imposed. | 5 |
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