The year 1986 marks the unfortunate happening of Chernobyl Nuclear Disaster, making it probably one of the darkest years in the history of Mankind. A nuclear reactor in a power plant went out of control causing a big explosion, the impact of which was spread across entire Europe. The impact was so high that the United Kingdom even witnessed Radioactive Rain. But what exactly happened that led to all these catastrophic consequences? Who is responsible for this disaster that costed the Soviet Union $235 Billion? Watch this video by Dhruv Rathee to find out, as he explains the Chernobyl Nuclear Disaster of 1986 in detail.