When did Sui Coin start?

Could you please enlighten me on the origins of Sui Coin? I'm quite interested in understanding its inception. When did Sui Coin initially come into existence? Was there a specific event or milestone that marked its beginning? I'm also curious to know about the initial motivations and objectives behind its creation. Could you provide a brief overview of Sui Coin's genesis, including any notable achievements or developments since its inception? Thank you for your assistance in answering these questions.