Fatto generale: 19411 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 19411 is an uninteresting number.
Trivia: 19411 is a boring number.
Data storica: February 21st is the day in 1543 that Battle of Wayna Daga – A combined army of Ethiopian and Portuguese troops defeats a Muslim army led by Ahmed Gragn.