Which preposition to use with occurence

by Occurrences 1%

Such incidents are very pleasant and encouraging to the lonely pilgrim and may be made a matter of almost daily occurence by any social but circumspective traveler.

in Occurrences 1%

I have Thoughts of publishing a daily Paper, which shall comprehend in it all the most remarkable Occurences in every little Town, Village and Hamlet, that lye within ten Miles of London, or in other Words, within the Verge of the Penny-Post.

Which preposition to use with  occurence