What happened 1377 AD

Al-Mansur Ala' ad-Din Ali ibn Sha'ban ibn Husayn ibn Muhammad ibn Qalawun (1368 – 19 May 1381), better known as al-Mansur Ali II, was the Mamluk sultan reigning in 1377–1381.

The Republic of Ragusa establishes a landing station for vessels far from the city and harbour in which travellers suspected to have the plague must spend thirty days, to see whether they became ill and died or whether they remained healthy and could leave.