Am 21. und 22. April 1946 fusionieren in der sowjetischen Besatzungszone die Sozialdemokratische Partei (SPD) und die Kommunistische Partei (KPD) zur Sozialistischen Einheitspartei Deutschlands (SED).

On 21 April 1946, Wilhelm Pieck, leader of the German Communist Party (KPD), and Otto Grotewohl, leader of the Social Democratic Party (SPD) in the Soviet-occupied zone, take part in a ceremony held in the Berlin State Opera House to mark the establishment of the Socialist Unity Party (SED). Walter Ulbricht, Secretary-General of the newly formed party, unveils its official banner.

On 21 April 1946, Wilhelm Pieck, Leader of the Communist Party of Germany (KPD), and Otto Grotewohl, Leader of the Social Democratic Party (SPD), establish the Socialist Unity Party (SED) in the Soviet-occupied zone of Germany.

On 21 April 1946, Wilhelm Pieck, leader of the German Communist Party (KPD), and Otto Grotewohl, leader of the Social Democratic Party (SPD) in the Soviet occupation zone, found the Socialist Unity Party (SED) at a ceremony in the Berlin Opera House.

On 22 April 1946, the first Congress of the Socialist Unity Party of Germany (SED) is held in Berlin under the chairmanship of Walter Ulbricht. The party was founded the previous day by Wilhelm Pieck, leader of the Communist Party of Germany (KPD), and Otto Grotewohl, leader of the Social Democratic Party (SPD) in the Soviet occupation zone.

Am 23. April 1946 untersucht die französische Tageszeitung Le Monde die Konsequenzen der Gründung der Sozialistischen Einheitspartei Deutschlands (SED), die aus dem Zusammenschluss der Sozialdemokratischen Partei Deutschlands (SPD) und der Kommunistischen Partei Deutschlands (KPD) hervorgegangen ist.

In einer Ansprache für den Moskauer Rundfunk am 30. Mai 1946 erläutert Otto Grotewohl, Vorsitzender der Sozialistischen Einheitspartei Deutschlands (SED), die Aufgaben der Partei.