This document outlines the timeline of machine translation post-editing emerging as a profession from 1985 onwards. It discusses early works from 1985 that defined post-editing and acknowledged it as a rising profession. Many authors in the 1990s further recognized the role of post-editors in the translation industry. Key works that helped shape post-editing as a profession came from Krings in 2001 and Allen in 2003. The document also mentions important guidelines and training materials for post-editors produced by O'Brien and Torrejón & Rico in the early 2000s. Finally, it notes that the Post-Editing Special Interest Group established by the AMTA in 1998 was a milestone that advanced the field through several workshops.