Halloween tends to overshadow what really should be celebrated. Five hundred and four years ago, October 31, 1517, Martin Luther protested against Roman Catholicism, especially the practice of indulgences, nailing his Ninety-Five Theses on the door of the Castle Church in Wittenberg, Germany. This laid the foundation for the Protestant Reformation and religious liberty.
Please use the links below, or choose another via your own Internet search. Also recommended is The Great Controversy by Ellen G. White, particularly the chapters “Luther’s Separation from Rome” and “Luther Before the Diet.”
https://www.ellenwhite.info/future-of-protestantism-3a.htm
https://www.britannica.com/biography/Martin-Luther
https://en.m.wikipedia.org/wiki/Reformation_Day
Also watch this series of videos (click on the link below).
https://youtube.com/playlist?list=PLdbXyyVfVp-45Jwr8Dm_XX6lCzb0W-r84