Answer:
Here's what I found! :)
Although accounts of the Stone’s discovery in July 1799 are now rather vague, the story most generally accepted is that it was found by accident by soldiers in Napoleon’s army. They discovered the Stone on 15 July 1799 while digging the foundations of an addition to a fort near the town of Rashid (Rosetta) in the Nile Delta.
Step-by-step explanation: