Potsdamer Platz from West Berlin, 1985: the wall in front, the strip behind it, the hinterland wall beyond and East Berlin on the skyline.Photo: Dieter Schöttle, 1985. Wikimedia Commons. CC BY 4.0.
The Berlin Wall
It began as barbed wire on 13 August 1961 and ended as a border system 155 km long around West Berlin. At 18:53 on 9 November 1989, Günter Schabowski read out new travel rules. At about 23:30 the gate at Bornholmer Straße opened.
01Berlin, 13 August 1961
Shortly after midnight on 13 August 1961, East German police and the Kampfgruppen, the factory militias, began sealing the sector border with barbed wire and barricades. The wire ran along 43 km of the boundary inside Berlin and on around the rest of West Berlin.
Within days the wire became a wall. From 15–17 August 1961 workers laid concrete slabs and hollow blocks behind it.
The first wall was wire. The last was 3.6 metres of precast concrete made for farm silos.


The wall in cross-section
Heights in metres, to scale where recorded.
13 August 1961
Shortly after midnight, coils and fences of barbed wire went up along the sector border. Nobody yet knew it would stand for 28 years.
From 15 August 1961
The first wall was about 2 metres high: large square blocks from housing construction at the base, smaller hollow blocks above, long concrete beams on top.
Mid-1960s
From the mid-1960s a new wall replaced it: concrete slabs stacked between H-shaped reinforced-concrete posts, capped with a round concrete pipe 0.4 metres across, to stop climbers getting a hold.
1975 onwards
The final wall was built from L-shaped precast elements first made for farm silos, each 3.6 metres high on a foot 1.2 metres wide, capped with a round pipe. Building it began 14 years after the wire.
The death strip
From the East, an escaper met a hinterland wall about 3 metres high, an electric signal fence, tank traps, a raked sand strip with dog runs, watchtowers, a patrol road, floodlights, an anti-vehicle ditch, and only then Grenzmauer 75.
13 June – 30 November 1990
Official demolition began at Bernauer Straße on 13 June 1990 and ended in the inner city on 30 November 1990, carried out by the former GDR border troops with Allied and private help.
02The ring around West Berlin
The border system around West Berlin was 155 kilometres long. Only 43.1 km of it divided East from West Berlin. The other 111.9 km ran between West Berlin and the surrounding GDR.
Along it stood 302 watchtowers and 259 dog runs. The wall itself went through three generations in 28 years.


The ring around West Berlin
Watchtowers
Each square: one tower
Dog runs
Each square: one dog run
Automatic-fire devices were used only on the inner-German border, not on the Berlin Wall.
03East Berlin, 9 November 1989
At 18:53 the Politburo spokesman Günter Schabowski announced new travel rules and said they applied “sofort, unverzüglich”: immediately, without delay.
East Berliners went to see for themselves. By 21:30, 500–1,000 people were waiting at Bornholmer Straße. At 23:30 the Stasi passport-control officer Harald Jäger had the gate opened: 4 hours 37 minutes after the announcement.

9 November 1989, from the announcement to the open gate



04Berlin, 1990
The official demolition began on 13 June 1990 at Bernauer Straße and ended in the inner city on 30 November 1990: 170 days. It was carried out by the former GDR border troops with Allied and private help.
1990: the official demolition in the inner city
The longest stretch still standing is the East Side Gallery: 1.3 km of the hinterland wall, the side East Berliners saw.



It took the GDR 14 years to reach the Wall’s final form. It opened 277 minutes after a sentence read out at a press conference.
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Berlinfographics (2026). “The Berlin Wall, from wire to rubble, 1961–1990”. Berlin Experiences. https://berlinfographics.com/wall-construction/
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