Which preposition to use with memorializing

in Occurrences 2%

The Frankish church was reared upon the spot where, in pagan times, one bitter winter day, a Roman soldier parted his mantle with his sword and gave half of the garment to a naked beggar; and so was memorialized in art and stone what was called the divine spirit of giving, whose unbelieving exemplar afterward became a saint.

against Occurrences 1%

He nursed the grievance for years, and revenged himself at last by memorializing against the I.G.'s famous Land Tax Scheme, which, weathering a storm of bitter criticism, lived to enjoy great praise.

Which preposition to use with  memorializing