William O'Brien, Irish journalist and politician (born 1852)

William O'Brien was an Irish nationalist, journalist, agrarian agitator, social revolutionary, politician, party leader, newspaper publisher, author and Member of Parliament (MP) in the House of Commons of the United Kingdom of Great Britain and Ireland. He was particularly associated with the campaigns for land reform in Ireland during the late 19th and early 20th centuries as well as his conciliatory approach to attaining Irish Home Rule.

February 25 is the 56th day of the year in the Gregorian calendar; 309 days remain until the end of the year.