- January 17, Jonathan Keltz turned 26.
- It's announced Adelaide Kane has been cast in the read role of Reign as Queen Mary Stuart.
- February 14, Katie Boland turned 24.
- Match 2, Toby Regbo is cast as Prince Francis.
- Match 2, Celina Sinden is last as Lady-in-waiting Greer.
- Match 10, Anna Popplewell is last as Lady-in-waiting Lola.
- Match 10, Caitlin Stasey is last as Lady-in-waiting Kenna.
- March 14, Megan Follows turned 45.
- May 1, Caitlin Stasey turned 23.
- May 9, Reign get's picked up for a full season.
- May 16, the first trailer for Reign is released.
- May 17, Adelaide Kane begins were tour campaign for Reign.
- May 20, Adelaide Kane, Toby Regbo and Torrance Coombs promote Reign at the 2013 CBS International Upfronts
- June 4, Kathryn Prescott turned 22.
- June 14, Torrance Coombs turned 30.
- June 18, the cast of Reign begins their First Photo shoot for the show.
- June 19, Alan van Sprang turned 42.
- June 22, Amy Brenneman turned 49.
- June 22, Thor Knai turned 29.
- June 24, The CW released the premier date for Reign.
- July 25, Katie Boland is cast as a Recurring Character
- July 29, The CW holds it CW, CBS and Showtime 2013 Summer TCA party.
- July 30, Adelaide Kane and Toby Regbo attend the 2013 Summer Television Critics Association Tour.
- July 13, Yael Grobglas is cast as Olivia D'Amencourt.
- July 31, Celina Sinden celebrated her Birthday.
- August 9, Adelaide Kane turned 23.
- August 21, another trailer is released for Reign.
- August 21, the official posters for Resin are revealed.
- September 23, Glamor magazine is released, featuring; Adelaide Kane, Celina Sinden, Caitlin Stasey, Anna Popplewell and Jenessa Grant.
- September 23, more Reign Promotional Images were released.
- September 25, Rossif Sutherland turned 36.
- October 10, Reign is picked up for more episode.
- October 12, Adelaide Kane, Toby Regbo and Torrance Coombs attend 2013 New York Comic Con.
- October 17, Reign airs it's first episode, Pilot.
- October 18, Toby Regbo turned 22.
- October 24, Reign airs it's second episode, Snakes in the Garden.
- Reign is picked up for a full season.
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