When did the name change from Black Hawks to Blackhawks?
Technically, they were used interchangeably for quite a bit, but it officially switched over in 1986. They found original franchise documents that used the "Blackhawks" moniker and decided to just go with that.
The early 1960's logo is different than those listed. It didn't have the encompassing wwriting, and the indian head was slightly smaller than the most modern logo. The "skin" also was perhaps a bit darker. Very beautiful.