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1 ημέρα πριν · The Cold War was a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc, that started in 1947, two years after the end of World War II and lasted to 1991, the fall of the Soviet Union.. The term cold war is used because there was no large-scale fighting directly between the two superpowers, but they ...
10 ώρες πριν · Name of person Image Date of death Details Constans II: 15 July 668: The Byzantine Emperor was assassinated with a bucket according to Theophilus of Edessa.: Li Bai: 30 November 762 The famous Chinese poet of the 8th century died drunk after embracing the Moon. While riding his boat along the Yangtze River, he saw the reflection of the Moon in the water.When he tried to hug it, he fell off his ...
10 ώρες πριν · The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.The number π appears in many formulae across mathematics and physics.It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although fractions such as are commonly used to ...
