Tiso's government received the blessing of the Church?
There must have been, since Fr. Tiso could not become the head of a state without special permission, especially as he continued to function as priest. The Hlinka-movement was very clericalist since its beginnings.
After the war Fr. Tiso fled to a German monastery, from which he was dragged out by American GI´s, given then to the Communists who subsequently murdered him.
Wasn't Horthy the regent of a monarchy?
De jure, but de facto Hungary was a republic. No chance that H.I.H. Otto von Habsburg could have returned.
Can you tell us of the relationship between Bonaparte and the Church?
He was supposed to be crowned by the Pope, that is quite something - I would even go as far as to say that at this day the revolution was crowned by the Church.
Of course also the Concordat of 1801 and the recognition of the (then former) Constitutional Clergy, causing the schism of the
Petite Église, which saw the martyrdom of the orthodox clergy and faithful betrayed by the Roman Pontiff himself.
I noticed Engelbert Dolfuss' name was absent. Was his government not blessed?
You are completely right! The list I gave is of course very much incomplete.
I did not want to give the impression that the Church only "blessed" fascist or strongly authoritarian structures. While a formal "blessing" was probably absent for many democratic republics, the Church certainly worked together closely with them.
And in the past there are also all the old Merchant Republics of Italy, for sure they are all blessed, too. There are actually even special rubrics for how a President of a nation is to be treated during Mass - not just for monarchs. But like I mentioned before, being a monarch has nothing to do with blue blood and golden regalia. Dictatorships, Presidential republics etc. are not opposed to St. Thomas idea of a monarchy at all.