Seems like there was one of those last hour updates yesterday, so it wasn't a single Milestone:
Milestones Yesterday
Buck_Nasty passed 1,000,000 
theonedub passed 1,100,000
KieX passed 600,000
Ptep passed 25,000
Buck_Nasty joins the millionaire's club!
theonedub gets BIG numbers!
I'll be cheeky and say keep the red carpet ready, it'll take a while but I'll join that club this summer!
(Sorry guys I don't normally post these so I picked colors at random)