Every story and comment from the Hacker News API, in a layout borrowed from 2001.
A comment on Why wasn't the steam engine invented earlier? Part II. Parent comment
Regarding its invention, https://en.wikipedia.org/wiki/Double-entry_bookkeeping#Histo... says:
> The earliest extant accounting records that follow the modern double-entry system in Europe come from Amatino Manucci, a Florentine merchant at the end of the 13th century.
and lists precursors under "Other claimants".
There are no comments on this comment yet.
Regarding its invention, https://en.wikipedia.org/wiki/Double-entry_bookkeeping#Histo... says:
> The earliest extant accounting records that follow the modern double-entry system in Europe come from Amatino Manucci, a Florentine merchant at the end of the 13th century.
and lists precursors under "Other claimants".