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| 1956–59 |
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| In spite of repression, a Peronist resistance emerged, especially in union organizations such as the CGT, which remained predominantly loyal to the deposed president. | 1 |
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| 1956, June 10 |
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| Government forces smashed a Peronist revolt. In the aftermath, 40 of the rebels were executed. | 2 |
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| 1957, Sept. 24 |
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| The constituent assembly voted to restore the 1853 constitution. | 3 |
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| 1958, Feb. 22 |
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| After negotiating with Perón to gain the votes of his 2 million supporters, ARTURO FRONDIZI was elected president. | 4 |
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| 1962, Feb. 8 |
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| The government severed diplomatic ties with Cuba. | 5 |
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| March 18 |
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| Peronist parties polled 35 percent of the votes and won ten governorships. This brought to a head the growing dissatisfaction with Pres. Frondizi's moderation and his encouragement of foreign investments. | 6 |
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| March 28 |
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| Military leaders deposed Pres. Frondizi; on March 30 president of the Senate José María Guido became Argentine president with the endorsement of the armed services. | 7 |
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| April 24–25 |
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| Under pressure from some extreme anti-Peronist military leaders, Guido nullified the recent provincial and legislative elections, and established rule by decree. | 8 |
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| July 24 |
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| The government issued four decrees banning the Peronist and Communist Parties and providing controls for the internal affairs of all parties. | 9 |
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| Sept. 6 |
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| Pres. Guido dissolved the rump congress and signed a decree scheduling presidential and congressional elections for Oct. 27, 1963. | 10 |
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| Sept. 18 |
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| Dismissal by war secretary of three generals sparked an army revolt that led to the seizure of Buenos Aires on Sept. 23. | 11 |
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