My unscientific but seemingly sound method of spotting the one millionth certitude solver had me watching the counter on this page and the list on this page simultaneously. On that basis I'm pretty sure that the "woo-hoo" that reached the one million mark was for the first part of today's puzzle from Sweden. Congratulations to the CO and the solver immediately before me on:
RE 022 - skallerormar, myst
Tomorrow we'll be in California.