XTRG is conducting an excellent Let's Play of Thirty Years' War
https://www.youtube.com/playlist?list=PLbSx_b5pOYvHjAWdE0PtFeIsNl0ouNiGL
And I am doing one as well. Probably not quite as good as his.
https://www.youtube.com/playlist?list=PLq-fD1OoNW2nFDe8MAx3M6HpWXRFSLjDf