Which preposition to use with pronunciamiento

at Occurrences 1%

This comparative stagnation was broken at last by the Young Turk pronunciamiento at Salonika in 1908, which produced such momentous repercussions all through the Nearer East.

from Occurrences 1%

There would probably have been pronunciamientos from some of our armies, and the Union might have been shivered to pieces without the enemy's lifting their hands further against it.

in Occurrences 1%

And at the most critical moment Pascual Orozco, Jr., Madero's trusted lieutenant, in command of the military forces of Chihuahua, issuedon the heels of reiterated promises of fealty to the Governmenta pronunciamiento in favor of the revolution and delivered the state which had been entrusted to his keeping to the revolutionists, at whose head he now placed himself.

Which preposition to use with  pronunciamiento