Like many other upper respiratory diseases, diphtheria is most likely to break out during the winter months. At one time it was a major childhood killer, but in the early 2000s it is rare in developed countries because of widespread immunization.
Italy joined the Pact in 1937. The RomeâBerlin Axis became a military alliance in 1939 under the so-called  Pact of Steel , with the Tripartite Pact of 1940 leading to the integration of the military aims of Germany and its two treaty-bound allies.he RomeâBerlin Axis became a military alliance in 1939 under the so-called  Pact of Steel , with the Tripartite Pact of 1940 leading to the integration of the military aims of Germany and its two treaty-bound allies.
In 1961 East Germany built a wall to separate East Berlin from West Berlin, isolating West Berlin within East Germany. This wall which divided east and west became the symbol of the tensions dividing the world during the cold war John F. Kennedy went to Berlin on June 26, 1963 to show support for the West Berliners.his wall which divided east and west became the symbol of the tensions dividing the world during the cold war. John F. Kennedy went to Berlin on June 26, 1963 to show support for the West Berliners.