This document provides an overview of the history and development of open education practices. It discusses early declarations and initiatives that promoted open educational resources (OER) starting in the 2000s. It also outlines different models for open and distributed learning, highlighting how instruction can occur independently of time and place. Key concepts covered include the 5Rs framework for open licensing, the role of Moodle in facilitating OER sharing, and emerging issues like credentialing open education through prior learning assessment. A variety of online resources and organizations influencing open education are referenced.