The production of alloys by humans began with the production of bronzes. The earliest alloys in the world were made by the Babylonians. The ancient Babylonians the first countries in the world to research and produce alloys. In the Shang Dynasty (more than 3,000 years ago), the bronze (copper-tin alloy) process was very developed; it was forged in the 6th century BC (late spring and autumn). Heat treated) a sharp sword.