"2558." If not outright comfortable with the idea of time travel, Halsey has at least given it some thought, and it amuses her that it might become de rigueur to introduce oneself by year. "Controlled time travel isn't explicitly disallowed by slipstream theory, but attempting it has been low on my priority list--until quite recently we were also in the middle of a genocidal war."

World War II was still going in 1943, right? Halsey has a broad education and a superb memory, but she's a scientist and a doctor who's spent her career in a desperate race to stave off human extinction. Recalling exactly when pre-unification conflicts happened is low on her priority list, too.