I`ve just checked the numbers. On second thoughts it looks like we should abandon trying to get votes by trying to bribe civs into war, it is unlikley to work any time soon. If we switch to no state religion we would have Mansa Musa, Cyrus, Gandi, Saladin, Izzy`s, and Fredricks votes. This is 38.4%.
Killing Monty will give us 42.1%
We can gift techs to Huyana Capec to get th"shared technological discoveries bonus". This will give us his vote (48.7%)
We can do the same to Julius Caesar which together with the shared civic bonus will give us his vote (56.9%)
We can probably get the rest of the vote by growing our population.
I can play this svening if Hamfist doesn`t show up.