| Date | | | |
| 1446 | | Thomas Fitzgerald, prior of Kilmainham, having accused James Earl of Ormond of high treason, a trial by combat was appointed at Smithfield; but the quarrel being taken up by the king, was decided without fighting. Also John David, an armourer, having charged his master, William Catur, with treason, a combat took place, in which the latter, being intoxicated, was slain. David was hanged for felony shortly after. | |
| 1447 | | Great numbers died of a plague and famine. | |
| 1452 | | The Liffey was entirely dry at Dublin for the space of two minutes. | |
| 1453 | | The archbishop of Dublin carried off by pirates; but rescued by the citizens, who pursued the enemy to Ardglass. | |
| 1459 | | Brass money coined at a mint opened in the Castle of Dublin. | |
| 1461 | | A violent tempest threw down the east window of Christ Church, and destroyed many of the reliques, and much of the other furniture of the Church. | |
| 1462 | | Groats, twopennies, pennies, halfpennies, and farthings, coined at the mint of Dublin. English money advanced one-fourth in Ireland. | |
| 1466 | | Another plague wasted Dublin and Meath. | |
| 1470 | | Another plague in Dublin. | |
| 1472 | | The fraternity of Arms of St. George established by parliament for the defence of the pale, of which the mayor of Dublin for the time being was always to be a member. | |