On January 15, 2001, a website called Wikipedia was launched. Since then, the crowd-sourced, online encyclopedia has completely changed how people find information quickly, replacing books and CDs (remember Encarta?) with millions of entries written by ordinary people.
Happy 15th Birthday! Wikipedia by the Numbers.
The most visited page? “Lists of deaths by year.”


How much has Wikipedia grown in the last decade and a half? Here are some numbers.
This article originally appeared on Recode.net.











