Multiple realities(covers information from several alternate timelines)
Topeka was a city in Kansas.
In an alternate timeline in which Nazi Germany had invaded the United States, as of 1944 Topeka was controlled by American forces. (ENT: "Storm Front", "Storm Front, Part II")
In the mid 24th century, Amanda Rogers's parents were killed in Topeka when their home there was destroyed by a tornado caused by the Q. (TNG: "True Q")
Topeka was named on a map of the United States (Die Vereinigten Staaten von Amerika). Its location was represented by an orange circle.