In order to close the question, I need to post my information here, so
here it is again.
"Vixi liber et moriar" is Latin for "live free and die so."
Here is my online source for this information:
"A red and white Tudor rose representing England and a purple thistle
representing Scotland occupy the [City of Annapolis, Maryland's]
flag's center, with the Latin phrase 'Vixi liber et moriar" - I will
live free and die so - inscribed in black on a gold ribbon at the
Homeown Annapolis: The Capital Online
Using your entire phrase as a Google search term turned up nothing, so
I conducted a successful search using only the first two words of your
phrase, which seemed to me to be the most likely to be correct:
I was happy to be able to give you a prompt correct answer. If
anything is unclear, please ask for clarification before rating it.