question: Provide a summary of two historical events that took place in the 20th century, ensuring that one summary is no more than 150 words and the other is exactly 200 words. The first word of the third paragraph in the second summary should be "Meanwhile". Separate the two summaries like so:
  
  Summary 1
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  Summary 2
answer: Summary 1  
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  The Moon landing on July 20, 1969, was a monumental achievement in human history, marking the first time humans set foot on another celestial body. Conducted by NASA's Apollo 11 mission, astronauts Neil Armstrong and Edwin "Buzz" Aldrin became the first and second humans to walk on the lunar surface, while Michael Collins orbited the Moon in the Command Module. The mission was the culmination of the intense space race between the United States and the Soviet Union, a critical aspect of the Cold War. Armstrong's iconic words, "That's one small step for man, one giant leap for mankind," symbolized a significant triumph of human ingenuity and exploration. The successful mission demonstrated the potential of human space travel, inspired generations of scientists and explorers, and significantly bolstered American national pride during a time of sociopolitical turmoil.
  
  Summary 2  
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  World War II, spanning from 1939 to 1945, was a global conflict involving the major world powers divided into the Allies and the Axis. It began when Nazi Germany, led by Adolf Hitler, invaded Poland on September 1, 1939, prompting Britain and France to declare war on Germany. The war expanded as Germany, Italy, and Japan sought to establish empires, clashing with the Allied forces, which included the United Kingdom, the Soviet Union, China, and the United States, among others. The conflict was marked by significant battles such as Stalingrad, Midway, and Normandy, as well as the Holocaust, in which six million Jews were systematically murdered. The war's conclusion came after Germany's surrender on May 8, 1945, followed by the United States dropping atomic bombs on Hiroshima and Nagasaki in Japan, leading to Japan's surrender on September 2, 1945. Meanwhile, the war's aftermath saw the establishment of the United Nations to foster international cooperation and prevent future conflicts. Additionally, the war significantly altered geopolitical boundaries and led to the emergence of the United States and the Soviet Union as superpowers, setting the stage for the Cold War. The conflict had profound impacts on global politics, economy, and society, shaping the modern world.