The last meaningful one, in any event. After this there will only be darkness and chaos, disputed results and illegitimate tallies by corrupt private parties. These are the sorts of ambiguous circumstances that surround the deaths of all empires. Faint rumors of a coup, breakway republics, fractioned factions and mutual hostility everywhere you look. The ending is always very diverse. One man will rise there and claim he is the new executive or emperor, he will war against someone who claims he is the rightful successor here. Historians will do the best they can to document all this riot but it eludes description in many cases.
This is why the final days of Rome we only know in fragments.