Arduino Board Timeline

1997 Atmel brings the first AVR microcontroller product to market.
2001 Processing computer language/IDE developed by Casey Reas and Benjamin Fry, at the MIT Media Lab.
2003 Wiring development platform developed by Hernando Barragán at the Interaction Design Institute Ivrea, Italy.
2003 Wiring ported to Atmel AVR8 processor architecture by Massimo Banzi, David Mellis, and David Cuartielles, again at the Interaction Design Institute Ivrea, Italy. This becomes a fork of the Wiring project, to be named Arduino.
2005 The first boards in the recognisable Arduino form factor are produced featuring an ATmega8 processor, after a succession of other prototypes.
2006 The Arduino NG gains an ATmega168 processor, featuring 16kB of storage.
2008 The tiny Arduino Nano appears, and the Duemilanove gains an ATmega328 with 32kB of storage.
2010 The ‘classic’ ATmega328 Arduino becomes the Arduino Uno.
2011 The Arduino Leonardo, boasting USB device capability, is launched.
2012 The 32-bit ARM Cortex M3-based Arduino Due is launched.
2013 The Arduino Yún is launched, featuring a MIPS processor and a custom Linux distribution.
2014 Beginning of split between Arduino LLC and Arduino SRL, leading eventually to creation of Genuino brand.
2015 Arduino/Genuino 101 launched, based upon the Intel Curie microcontroller.
2016 Reconciliation and merger between the two rival Arduino companies.
2016 Launch of Arduino MKR1000, featuring a 32-bit ARM Cortex M0 and on-board WiFi.