The world comes under peace again.. ( Part 2) - Arun Iyer, IX std, Abhinav Vidyalay In this part, many cold war events take place. Some event's mistakes could have devastated the world, and some events teach us that no one can stop humans from he/she's rights. These events carve great importance in history. This part is thrilling and has lots of twists you will enjoy and gain good history knowledge . 3) The Cuban Missile Crisis(October - November 1962) The US was developing warfare technology. They built the nuclear missile which was first attacked on Hiroshima Nagasaki in WW2. On the other hand, the USSR was also developing warfare technology. The invention of the AK-47 gun and Mig - 21 was one of the greatest inventions. But, they were upset by the US nuclear technology. Then they conducted research and made their Nuclear technology. Nuclear technology was useful as well as harmful. It can destroy a whole nation.