The X-Men rose from obscurity to the top of the Marvel Universe. They've been Marvel's bestselling comics for years, and there was a time when the X-Men's events were the center of Marvel's publishing schedule. The X-Men fell from grace for a time, with almost fifteen years of editorially mandated stagnation, but they've come roaring back during the Krakoa Era. Since then, the X-Men have gone back to being Marvel's hottest property.
Source：https://www.cbr.com/xmen-important-comic-events/
