When was RSR launched?

Good afternoon, esteemed colleagues in the world of cryptocurrency and finance. Could you please assist me in clarifying a matter of significant interest? I'm curious to know the precise date when Reserve Rights Token, commonly referred to as RSR, was launched into the market. This information is crucial in understanding the token's journey and its potential impact on the cryptocurrency landscape. Your prompt response would be greatly appreciated, as I'm keen to gain a deeper understanding of this intriguing token. Thank you in advance for your assistance.