1‭ ‬May‭ ‬664‭ ‬AD:‭ A ‬Solar Eclipse was observed  in Ireland on this day.‭ ‬This was probably witnessed in central and northern Ireland as it was also recorded over northern England too.

Darkness on the Kalends of May at the ninth hour

Chronicum Scotorum

Darkness on the kalends of May‭ [‬1‭ ‬May‭] ‬at the ninth hour and in the same summer the sky seemed to be on fire.

‭This was also how this astronomical event was recorded in  the Annals of Ulster and the Annals of the Four Masters‬ amongst others

Using modern astronomical methodology it is possible to track back in time and pinpoint the time and trajectory of  how the event would have been witnessed in these islands to show that a full solar eclipse was seen @ 16.50 on that day.

The Solar Eclipse would have been seen as a portent of bad tidings

- and as it turned out in that summer the Plague appeared in Ireland and ravaged the Country.