Ys Strategy happened in 2006.
Ys Strategy was created on 2006-03-23.
Ys Origin happened in 2006.
Ys Seven happened in 2009.
ys, there was one in Pakistan
Computer Football Strategy was created in 1983.
Ys - series - was created in 1987.
Ys Origin was created in 2006.
Etienne Ys was born in 1962.
Strategy X - video game - happened in 1981.
Ys Seven was created on 2009-09-16.
YS probably indicates "youth small", meaning kids' small.
Finding patterns is a basic strategy of human thought.