From rail frontier to metropolitan node
A decisive shift came in 1838, when Berlin's first railway station opened at Potsdamer Platz. That early mobility role still explains why the area feels like a natural hinge in today's city movements between Mitte, Tiergarten, and Kreuzberg.
The traffic-light milestone of 1924
In 1924, Europe’s first traffic light was installed here, which captures how intensely routes already converged at this crossing. Even now, that legacy survives in the square's rhythm: multiple movement streams, fast decisions, and constant orientation choices.
Division years from 1961 to 1989
From 1961, the Berlin Wall cut through this zone and turned it into a border-space landscape. On today's walk, traces of that line still help you read the site's sharp transition from forced separation to open urban connection after 1989.
Rebuilding the district after reunification
The 1990s redevelopment recast Potsdamer Platz as a contemporary business-and-culture district, and from 2000 the area became one of the recognizable stages of the Berlinale. That layered reset is why the square can feel historical and forward-looking in the same hour.