---
title: "German Reunification Treaty Signed"
year: 1990
country: "Germany"
canonical: "https://recap.at/1990/german-reunification-1990"
slug: "german-reunification-1990"
recapType: "global_event"
startDate: "1991-03-15"
endDate: "1990-10-03"
---

# German Reunification Treaty Signed

> German Reunification Treaty Signed

On October 3, 1990, Germany officially reunified after 28 years of division, merging the Federal Republic of Germany (West) with the German Democratic Republic (East). The process accelerated after the Berlin Wall fell on November 9, 1989, and concluded with the signing of the Treaty on the Final Settlement with Respect to Germany in September 1990, which secured international approval from the Soviet Union, United States, France, and Britain.

## Summary

German reunification, also known as the expansion of the Federal Republic of Germany (BRD), was the process of re-establishing Germany as a single sovereign state, which began on 9 November 1989 and culminated on 3 October 1990 with the dissolution of the German Democratic Republic and the integration of its re-established constituent federated states into the Federal Republic of Germany to form present-day Germany. This date was chosen as the customary German Unity Day, and has thereafter been celebrated each year as a national holiday. On the same date, East and West Berlin were also reunified into a single city, which eventually became the capital of Germany.

## Key facts

- **Official reunification date**: October 3, 1990
- **Years of division**: 28 years (1961–1990)
- **Population of unified Germany**: Approximately 78 million people
- **Treaty establishing legal framework**: Treaty on the Final Settlement with Respect to Germany (signed September 12, 1990)
- **Soviet troops withdrawal completed**: September 1994
- **Berlin Wall fall date**: November 9, 1989
- **Key negotiating parties**: West Germany, East Germany, Soviet Union, United States, France, Britain
- **Economic cost of integration**: Over 1 trillion Deutsche Marks (estimated, 1990–2000)

## Timeline

- **1989-11-09** - Berlin Wall falls
  East German border guards cease enforcing restrictions; crowds breach the wall marking the symbolic end of division.
- **1989-12-22** - Brandenburg Gate reopens
  The border crossing between East and West Berlin is formally reopened by East German leader Egon Krenz and West German Chancellor Helmut Kohl.
- **1990-02-13** - Two Plus Four talks begin
  Foreign ministers from East Germany, West Germany, Soviet Union, United States, France, and Britain meet to negotiate reunification terms.
- **1990-03-18** - East German elections held
  First free elections in East Germany result in victory for the Alliance for Germany coalition, favoring rapid reunification.
- **1990-05-18** - Treaty on Monetary Union signed
  East and West Germany establish a monetary and economic union, introducing the Deutsche Mark in East Germany.
- **1990-09-12** - Final Settlement Treaty signed
  The Treaty on the Final Settlement with Respect to Germany is signed in Moscow, securing Soviet agreement to reunification and German NATO membership.
- **1990-10-03** - Official reunification
  The German Democratic Republic is dissolved; East Germany becomes part of the Federal Republic of Germany. Celebrations occur across both former states.
- **1991-01-20** - First all-German Bundestag convenes
  The newly unified German parliament holds its first session in Berlin with 662 members representing all of Germany.

## Consequences

- **1990 - Dissolution of the Stasi**: The Ministry for State Security, East Germany's secret police under Erich Mielke, was formally dissolved. Its archives became accessible, revealing decades of surveillance on millions of citizens.
- **1991 - Economic shock in former East Germany**: Unemployment spiked to 10.3% in eastern states as uncompetitive industries collapsed and West German companies dominated markets. Mass migration westward followed.
- **1990 - NATO expansion debate begins**: Unified Germany's NATO membership, sealed in September 1990, set precedent for eastward NATO expansion that would define Cold War's end and fuel Russian grievances for decades.
- **1992 - Emergence of neo-Nazi movements**: Rising xenophobia and economically displaced youth in eastern states fueled far-right extremism. The firebombing in Rostock-Lichtenhagen in August 1992 marked a violent escalation.
- **1995 - Germany becomes Europe's economic engine**: By mid-decade, Germany's unified economy and industrial base positioned it as the EU's dominant economic power, reshaping European political dynamics.
- **1997 - Formation of dual legal systems integration**: Courts processed over 500,000 Stasi informant cases through the 1990s. The last Stasi trials concluded around 1997, establishing legal precedent for transitional justice.

## Then vs now

- **Population of unified Germany**: 1990: 78.4 million → 2024: 83.4 million - Includes immigration and natural change post-reunification
- **GDP per capita East Germany vs West Germany**: 1990: East: ~60% of West → 2023: Eastern states: ~85% of Western average - Measured by economic output disparity
- **Unemployment rate in former East Germany**: 1991: 10.3% → 2023: 5.8% - Sharp initial spike before gradual improvement
- **Cost of reunification (estimated)**: 1990: €1.4 trillion → 2024: Still ongoing transfers to eastern states - Includes infrastructure, pensions, social transfers through 2024

## Impact

Reunification ended the Cold War's most visible symbol, redrew European geopolitics, and created a single German state with 78 million people and significant economic clout. The process required negotiating the withdrawal of Soviet troops, integrating two incompatible economies, and rewriting the continent's security architecture-consequences still shaping EU and NATO policy today.

## Sources

- [German reunification treaty](https://en.wikipedia.org/wiki/German_reunification) - Wikipedia

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Canonical: https://recap.at/1990/german-reunification-1990