Keen to learn but short on time? Get to grips with the history of the Berlin Wall in next to no time with this concise guide.50Minutes.com provides a clear and engaging analysis of the fall of the Berlin Wall.When the Berlin Wall was built unexpectedly in 1961, it divided the city for 28 years, separating families and friends for almost three decades. The Wall was a symbol of the divisions in Germany and Europe that followed the Second World War as well as a reminder of the s