John Hay and John Nicolay, both from Pittsfield became personal secretaries to Lincoln when he became President of the United States. Many Civil War era homes still exist in Pike County. In fact, there are more houses and sites associated with Lincoln in Pittsfield, Illinois than in any other place in the country.
Cottonee does not need to reach any particular level to evolve. You can use a Sun Stone on it and it will evolve into Whimsicott! Happy playing :)
And give it a massage every day from veilstone city. the point is that you have to make eevee happy in the day time. just carry on giving it a massage and level it up in the day time, so when eevee gets happy it will evolve. and make sure its not holding any item because it wont evolve.