Which preposition to use with signalise

in Occurrences 1%

The year 1486 was signalised in Rome by the arrival of an embassy from Ferdinand and Isabella to make the usual oath of obedience on behalf of the Catholic sovereigns of Castille and Leon to their spiritual over-lord, the Pope.

on Occurrences 1%

And though his submission, signalised on his death-bed, did not interfere with the freest working of his brilliant intellect within limits permitted to the former ecclesiastical "schoolmen," it did prevent his frank realization of the eternal oneness of all being.

to Occurrences 1%

Meantime those dull mutterings as of distant thunder, which Signor Albèri had, as mentioned at a former page, first signalised to me, were gradually growing into a roar which was attracting the attention and lively interest of all Europe.

Which preposition to use with  signalise