A visitor from Vatican City visted my blog

I was looking at the stats on my blog and look what I found

I could not save it any better. But it reads

Holy See (Vatican City State) arrived on "Dies Irae: The Judging Panel of the "Angelicum" in Rome awarded the highest Possible grade to the doctoral thesis of Msgr. Joao Scognamiglio Cla Dias,EP, entitle".

The browser used is Firefox on and Mac computer and they came in directly.

I wonder who it was?