Found it. In the listing on Memory Alpha is says that sometimes the Eugenics War was referred to as World War 3 (http://memory-alpha.wikia.com/wiki/Eugenics_Wars); they also list World War three as starting around 2026 (http://memory-alpha.wikia.com/wiki/World_War_III)
"But enemies who appeared in the middle of the night, whisked away your family and your children, and vanished to some place millions of light years away – it had an uncomfortable similarity to the tactics of the Tal Shiar...." No one else found this comment entertaining, considering we've been told that the Tal Shiar now…