AD, IHi. The above date has been assigned this manuscript by the Illinois State Historical Library. The editors have been unable to confirm its accuracy. The two-mill tax had been provided for in Article XV of the State Constitution of 1848, which specified that ``The fund so created shall be kept separate, and shall annually . . . be apportioned and paid over pro rata upon all such state indebtedness, other than the canal and school indebtedness. . . .''