How was the constellation Leo discovered?

Constellations like Leo have been recognized and named by different cultures for thousands of years by connecting stars in the sky to form a recognizable pattern. The history of Leo as a constellation goes back to ancient civilizations such as the Mesopotamians, Greeks, and Egyptians, who observed and documented patterns of stars in the night sky. Over time, these patterns were passed down through generations and eventually formalized into the constellation we recognize as Leo today.