Well, Mirage(?) was active at least as far back as the court of King Arthur, and there were multiple time travel episodes, one going back millions of years. It wouldn't be impossible to stick TFs in anywhere you like in human history. Though practically speaking, a less-ambitious Decepticon would be a better match for Spartan ideals than any goody-goody Autobot, even their most militant would have issues with keeping slaves, for example.
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"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows
--
"Anko, what you do in your free time is your own choice. Use it wisely. And if you do not use it wisely, make sure you thoroughly enjoy whatever unwise thing you are doing." - HymnOfRagnorok as Orochimaru at SpaceBattles
woot Med. Eng., verb, 1st & 3rd pers. prsnt. sg. know, knows