The term "Battle of Uppsala" does not correspond to a widely recognized or documented military engagement in established historical sources. There is no verifiable record of a battle by this name occurring in Uppsala, Sweden, in major historical conflicts such as the Thirty Years' War, the Great Northern War, or other regional Scandinavian wars.
Uppsala is a city in Sweden historically significant for religious, academic, and political reasons, notably as the seat of the Archbishop of the Church of Sweden and as the location of Uppsala University, founded in 1477. While Uppsala has played a central role in Swedish history, no notable battle bearing its name is recorded in standard military history references.
The phrase "Battle of Uppsala" may refer to a fictional, hypothetical, or minor skirmish not documented in mainstream historiography. Alternatively, it could be a misnomer or confusion with another event, such as the Reformation-era conflicts in Sweden or the 1520 Stockholm Bloodbath, which occurred nearby but not in Uppsala itself.
Due to the absence of reliable, authoritative sources describing such a battle, the term cannot be confirmed as an established historical event.