1665

The year 1665 is significant for several key events in history. Notably, it was marked by the Great Plague of London, which caused widespread illness and death, leading to significant social and economic impacts. Additionally, in scientific progress, Sir Isaac Newton began his work on calculus during this time, laying the groundwork for modern mathematics. The year also saw the establishment of the Royal Society in England, promoting scientific discovery and innovation. Overall, 1665 reflects a period of crisis intertwined with important advancements in science and society.