I used Russian Alphabet, АБВГДЕ
ЁЖЗИЙК
ЛМНОПР
СТУФХЦ
ЧШЩЪЫЬ
Э
of course I had to Guess on a couple letters.
Then Google translate
as this: ВЪ ЧЕСТЬ ЭА СЛУ ЖЕННОМУ СОЛДАТУ
& got
"WON HAVE A WELCOMED WOMAN SOLDIER"
or
HONOR 3 HELP THE WOMAN SOLDIER
it in turn asked
Did you mean: В ЧЕСТЬ ЭА ЗАСЛУЖЕННОМУ СОЛДАТУ
Which translates to
IN HONOR OF THE EA A DESERVED SOLDIER ?
or В ЧЕСТЬ 3А ЗАСЛУЖЕННОМУ СОЛДАТУ
IN HONOR 3A, THE DESERVED SOLDIER
Mixing things up, I'm guessing it's honoring women soldiers in 1806 But only a Guess.
Contact one of Our Russian Members