I assume you are asking about historical events that happened on January 27th. Here are some of the most significant events that took place on this day:
– In 98 AD, Trajan became the Roman Emperor after the death of Nerva .
– In 661 AD, Ali ibn Abu Talib, the 4th Caliph of the Rashidun Caliphate, was struck on the head while praying at the Great Mosque of Kufa, Mesopotamia by a poison-coated sword wielded by Ibn Muljam a Kharijite, and died two days later .
– In 1302, Dante became a Florentine political exile .
– In 1534, French King Francis I signed a classified treaty with Landgrave of Hesse .
– In 1649, the English High Court of Justice found King Charles I “guilty of the crimes of which he had been accused, did judge him tyrant, traitor, murderer, and public enemy to the good people of the nation, to be put to death by the severing of his head from his body” .
– In 1820, the Russian Antarctic expedition led by Fabian Gottlieb von Bellingshausen and Mikhail Lazarev discovered the continent of Antarctica .