Statistics for occurrence #1 of “Pannonian Alps” in book 2, chapter 98 of Cornelius Tacitus, The History:
...hus
the preparations of Vitellius became known, while the plans of Vespasian
were for the most part kept secret. At first the supineness of Vitellius was
in fault; afterwards the occupation of the Pannonian
Alps with troops stopped all intelligence. And on the sea the prevalent
Etesian winds favoured an eastward voyage, but hindered all return.
...