it was 1999- I remember because I took a trip to the UK and was whining how depressed I was that both our kids moved out together and at the same time! I was 50... probably going through menopause at the same time... It was still a memorable trip, group of quilters who commiserated with me very well...
Oh, yes, but the older one is still in and out every so often. We never know who is going to be sleeping in the guestroom, luckily they have never overlapped!!!