General fact: 4201 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 4201 is a boring number.
Trivia: 4201 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: July 2nd is the day in 1853 that the Russian Army crossed the Pruth river into the Danubian Principalities, Moldavia and Wallachia—providing the spark that set off the Crimean War.