>Hungary had a revolution against Soviet control that was brutally suppressed

The "Prague Spring" was not what is generally described as a revolution, hence its "poetic" name. It was people's protests and Hungarian government acceptance/compromise/accomodation that loosened the strictures the people lived under

The Soviet Union did send in troops to undo these changes, and it was brutal, there just was not an insurrection underway.

"Prague Spring" was in 1968 and has absolutely nothing to do with Hungary, notably due to being the capital city of a whole other country.

The Hungarian revolution we're talking about happened in 1956, was intended to make Hungary leave the Warsaw pact altogether, and was indeed brutally suppressed.