Editing September 25 (section)

===Pre-1600===
* [[275]] &ndash; For the last time, the Roman Senate chooses an emperor; they elect 75-year-old [[Marcus Claudius Tacitus]].<ref>{{cite book|author1=Edward Smedley|author2=Hugh James Rose|author3=Henry John Rose|title=Encyclopaedia Metropolitana: History and biography|url=https://books.google.com/books?id=MD5OAAAAYAAJ&pg=PA57|year=1845|publisher=B. Fellowes|pages=57}}</ref>
* [[762]] &ndash; Led by [[Muhammad al-Nafs al-Zakiyya]], the Hasanid branch of the Alids begins the [[Alid Revolt (762–63)|Alid Revolt]] against the Abbasid Caliphate.
*[[1066]] &ndash; In the [[Battle of Stamford Bridge]], [[Harald Hardrada]], the invading King of Norway, is defeated by King [[Harold II of England]].<ref>{{cite book|author=Martin Collier|title=Changing Times 1066-1500|url=https://books.google.com/books?id=Mp79f2als4oC&pg=PA42|year=2003|publisher=Heinemann|isbn=978-0-435-31334-0|pages=42}}</ref>
*[[1237]] &ndash; England and Scotland sign the [[Treaty of York]], establishing the location of their common border.
*[[1396]] &ndash; Ottoman Emperor Bayezid I defeats a Christian army at the [[Battle of Nicopolis]].
*[[1513]] &ndash; Spanish explorer [[Vasco Núñez de Balboa]] reaches what would become known as the Pacific Ocean.
*[[1555]] &ndash; The [[Peace of Augsburg]] is signed by Emperor Charles V and the princes of the Schmalkaldic League.