Prior to the age of Reason in Europe, Power rested with who ​

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

the two atomic bombs dropped on japan in 1945 killed and maimed hundreds of thousands of people, and their effects are still being felt today. the uranium bomb detonated over hiroshima on 6 august 1945 had an explosive yield equal to 15,000 tonnes of tnt.