Which preposition to use with irkutsk

on Occurrences 2%

On February 3 Omsk was informed that the important Japanese Mission (previously referred to) had started from Irkutsk on the last stage of its journey to the Supreme Governor.

about Occurrences 1%

We arrived at Irkutsk about the same time as a small detachment of Japanese troops, who were acting as a guard to their traders and their stores, who usually travel with the army.

at Occurrences 1%

I held my first meeting in the repairing shop at Irkutsk at 3 P.M., March 4.

for Occurrences 1%

I wired to Irkutsk for reinforcements for the local militia, as I did not think them strong enough to deal with the possibilities of the situation.

in Occurrences 1%

They travelled in sledges up the Lena, and reached Irkutsk in seventeen days, being a distance of fifteen hundred miles.

to Occurrences 1%

There was not one important workshop from Irkutsk to Perm without its altar, candles and all complete, and scarcely a business or Government office without its ikon facing you the moment you entered.

Which preposition to use with  irkutsk