By 1961, more than 2 million out of a population of 18.5 million at the inception of the GDR had migrated
The Berlin Wall was built in 1961 under the codename Operation Rose to end immigration from the GDR
The end of Adenauer's term in office
Politicalmistakes
The Der SpiegelAffair
The Bad Godesberg PartyCongress
Adenauer's failure to visit Berlin immediately after the wall was put up made him less popular
The CDU vote fell from 50% in 1957 to 46% in 1961
The 1962 Der Spiegel Affair saw the arrests of magazine editors that had criticised the army's ability to defend the country. Many feared the government was becoming too authoritarian
At the Bad Godesberg Party Congress in 1959, the SPD reconsidered many of its policies. Most notably, it supported more European economic intergration and changed its extreme stance towards capitalism