In Peenemünde, Germany, the Nazi rocket testing center, a coal-fired power plant was established in 1939 to enable the energy-intensive production of liquid oxygen - the fuel for the V2 rocket.
During the twentieth century, the Tejo thermoelectric power plant was essential for developing the Portuguese capital, Lisbon. It supplied electricity to the electric tram, street lighting and factories in and around Lisbon.
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On November 9, 1989, the Berlin Wall, a symbol of Cold War division and oppression, was breached. Berliners poured through the newly opened checkpoints.
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