Enevhar Aldarion
Hero
One thing I was remembering wrong was the timeline for Rebels events. From the official timeline:
And even on starwars.com, with their databank, real years are not used. It is just "years before this" and "years after that" for Mandalore and Bo-Katan and Sabine. It is only because of Rebels that we know Mandalore could not have been destroyed before 1 BBY. The show spends several episodes on the planet, and it is not destroyed yet, so that part of the timeline is easy.
1 BBY - Kanan Jarrus killed, sacrificing himself to save the rest of the Ghost crew. Ezra Bridger has an audience with the Emperor, before he and Grand Admiral Thrawn go missing in action. Bo-Katan Kryze takes Mandalorian throne, after Sabine Wren gives her the ceremonial Darksaber. (Star Wars Rebels)
And even on starwars.com, with their databank, real years are not used. It is just "years before this" and "years after that" for Mandalore and Bo-Katan and Sabine. It is only because of Rebels that we know Mandalore could not have been destroyed before 1 BBY. The show spends several episodes on the planet, and it is not destroyed yet, so that part of the timeline is easy.