On 3 October 1990, Germany became one country again after more than four decades of division. Crowds gathered in Berlin as the German Democratic Republic formally joined the Federal Republic, bringing a defining chapter of the Cold War to an end. Thirty-six years later, the anniversary recalls both the speed of political change and the enormous task of rebuilding a divided nation.
From an open border to a united country
The opening of the Berlin Wall on 9 November 1989 produced the images that came to symbolise the collapse of communist rule in East Germany. However, opening the border did not automatically reunite the two states. That required democratic decisions, negotiations and agreements over Germany’s future.
East Germany’s first freely elected parliament voted on 23 August 1990 to join the Federal Republic. A unification treaty signed eight days later established the legal framework for bringing together institutions, laws and public administration.
At midnight on 3 October, reunification took effect. Brandenburg, Mecklenburg-Western Pomerania, Saxony, Saxony-Anhalt and Thuringia became federal states within the enlarged republic, while Berlin was reunited as its capital.
A settlement beyond Germany’s borders
Unification also depended on agreement with the United States, the Soviet Union, Britain and France, the four powers with responsibilities arising from Germany’s defeat in 1945.
The Two Plus Four Treaty, signed on 12 September 1990, established the international framework for a united Germany, addressing borders, security and sovereignty. Its negotiation helped make reunification part of a wider European settlement.
For Chancellor Helmut Kohl, unity was closely connected to European integration. Germany’s future would be shaped within the continent’s institutions and alliances.
Celebration followed by reconstruction
Hundreds of thousands celebrated around Berlin’s Reichstag as the national flag was raised. For families separated by borders and political restrictions, the occasion marked a profound change in everyday life.
Economic integration proved more difficult than the midnight ceremony could suggest. Replacing East Germany’s centrally planned economy involved industrial restructuring, unemployment and substantial investment in infrastructure.
The anniversary therefore marks two connected histories: the peaceful achievement of political unity and the longer process of bringing living conditions closer together. The border disappeared through treaties and democratic decisions; building a shared country required years of work beyond them.
Newshub Editorial in Europe – 3 October 2026
On 3 October 1990, Germany became one country again after more than four decades of division. Crowds gathered in Berlin as the German Democratic Republic formally joined the Federal Republic, bringing a defining chapter of the Cold War to an end. Thirty-six years later, the anniversary recalls both the speed of political change and the enormous task of rebuilding a divided nation.
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