Fatto generale: 18952 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 18952 is an unremarkable number.
Trivia: 18952 is an unremarkable number.
Data storica: November 20th is the day in 1994 that the Angolan government and UNITA rebels sign the Lusaka Protocol in Zambia, ending 19 years of civil war (localized fighting resumes the next year).