21.  Before the Civil War, it was the only state with a black majority, and its white leaders were the most vehement in the Confederacy about preserving slavery.

22.  Biery said that a similar project was under way in St. Louis and that Pennsylvania was the only other state with a comparable program.

23.  A dozen cities have similar selective purchasing laws, but Massachusetts is the only state to pass one so far.

24.  A Microsoft spokesman said Texas is the only state that has contacted the company about an investigation.

25.  A law that became effective this year makes it the only state to offer new civil recourse to people ardently pursued by the media in personal or private moments.

26.  A year after Montana became the only state without a fixed daytime speed limit on its highways, some leading state officials have decided they want one back.

27.  After a long battle, the retailing behemoth will open its first store in Vermont, the only state without one.

28.  Advocates say North Carolina, Illinois, New York and California are currently the only states with relatively strong laws.

29.  Alaska and Washington are the only other states with such a system.

30.  Although abortion was legal in some other states prior to Roe vs. Wade, Washington was the only state where voters gave their stamp of approval.