William Edward Hartpole Lecky, historian & philosopher, was born in Blackrock, Co. Dublin #otd in 1838.
#DIB bio: https://www.dib.ie/biography/lecky-william-edward-hartpole-a4749
Among Lecky's works are the History of the rise and influence of the spirit of rationalism in Europe (1865), and History of European morals from Augustus to Charlemange (1869).
Fun fact: the book on morals influenced #MarkTwain. https://www.jstor.org/stable/40400783
Here's Twain's annotated copy https://cdm16694.contentdm.oclc.org/digital/collection/p261501co1l12/id/1571