Editing 1444 (section)

=== Date unknown ===
* [[Constantine XI Palaiologos]], as ruler of the [[Despotate of the Morea]], invades the [[Duchy of Athens]] (at this time under Florentine control), and forces it to pay tribute and return [[Thebes, Greece|Thebes]] to the [[Byzantine Empire]].
* Forces of the Sultan of Egypt fail to take [[Rhodes]] from the [[Knights of Rhodes]].
* Portuguese explorers reach the mouth of the rivers [[Senegal River|Senegal]] and [[Gambia River|Gambia]].
* The first European [[slavery|slave market]] for the sale of African slaves, the ''[[Mercado de Escravos]]'', opens in [[Lagos, Portugal]].
* A serious fire occurs at [[Old St Paul's Cathedral]] in London.
* The [[Iguvine Tablets]] are discovered at [[Gubbio]], Italy.
* [[Stephen II of Moldavia]] takes as co-ruler his step brother [[Petru III of Moldavia|Petru]], also brother-in-law to [[John Hunyadi]].</onlyinclude>