[1] The result was a second consecutive victory for Konstantinos Karamanlis and his National Radical Union, which won 171 of the 300 seats in Parliament.
Karamanlis decided to call for early elections, after some of the most prominent members of the National Radical Union defected from the party, including George Rallis and Panagis Papaligouras [el].
Although Karamanlis could have a parliamentary majority, he preferred to go for elections, in order to achieve a renewed public support.
The United Democratic Left (EDA) became the second biggest party, defeating a divided centre.
The unexpected rise of EDA, barely nine years after the end of the Greek Civil War, sent alarms through the right-wing establishment, and measures were taken to combat the emergent "communist threat", including the division of the large urban electoral districts of Athens, Piraeus and Thessaloniki so that the left-voting areas would be separated (forming the Athens B, Piraeus B, etc.