September 30

September 30, 1928

Announcement of the discovery of penicillin by Ayrshire-born Sir Alexander Fleming.

September 30, 1900

Arthur Griffith forms Cumann na nGaedheal, which later becomes Sinn Féin

September 30, 1852

Sir Charles Stanford, composer, is born in Dublin

September 30, 1813

Birth in Orkney of John Rae, explorer and surveyor of Canadas northern coastline.

September 30, 1691

The first recorded meeting of the Presbyterian general synod of Ulster is held at Antrim

September 30, 1598

The English poet Edmund Spenser is appointed Sheriff of Cork

September 30, 1430

A great council meets at Dublin on on this date

September 30, 1294

Revolt of Madog ap Llywelyn, Caernarfon Castle taken by Welsh rebels.