Arduino History

Hey everyone
I need some information on the history of Arduino.If anyone could possible help would be great.
(1)When was the first board created AKA release date.
(2)How many official Arduino boards have been sold up to the current year.
(3)how many different country's have Arduino sold in.
(4)Any strange facts would be helpful too.
(5)what is the company net worth that sells the boards.
(6)How many different types of official boards are they're

Did you try a web-search?

I found this interesting.

There seems to be at least three official “histories”.


Actually wiki has answers to most of your questions; Arduino - Wikipedia


Do some reading:

I found this article interesting:

Is the Wiki correct? Sometimes has weird info.