Before revision: O'Brien was awarded the Military Order of Maria Theresa.Military Maria Theresia Order Ritterkreuz (RK) In O'Brien's honour, a monument was erected in Jedlesee, consisting of a five-metre-high obelisk with an imperial orb created by A. Weinguni, on top of which stands an eagle with outspread wings (unveiled on 17 June 1909; renovated in 1932 and 1959).
After revision: Knight's Cross of theO'Brien was awarded the Military Order of Maria Theresa.Military Maria Theresia Order Ritterkreuz (RK) In O'Brien's honour, a monument was erected in Jedlesee, consisting of a five-metre-high obelisk with an imperial orb created by A. Weinguni, on top of which stands an eagle with outspread wings (unveiled on 17 June 1909; renovated in 1932 and 1959).