Emmanouil Argyropoulos, Greek pioneer aviator (born 1889)

Emmanouil Argyropoulos was a Greek pioneer aviator of the early 20th century. Apart from being the first Greek aviator who performed a flight over his homeland, he also became the first casualty of Greek military aviation.

April 4 is the 94th day of the year in the Gregorian calendar; 271 days remain until the end of the year.