Timeline

The first book in The Girl in the Box series, Alone, was published December 27, 2013. I will refer to time as BA (meaning before the start of Alone) or AA (meaning after the start of Alone). * Day Five may actually be Day Six. It's not clear how long Sienna spent in the infirmary after Wolfe attacks her inside The Directorate. Additionally, when Sienna goes back to her house for the final battle with Wolfe she says it's been two weeks.
 * June 30, 1908 - Gavrikov
 * 29 years BA - Sierra Nealon begins work as a field agent for The Agency
 * 19 years BA - The Agency is destroyed by anti-metahuman terrorists and a pregnant Sierra escapes (but is presumed dead)
 * 18 years BA - Sienna Nealon is born
 * 14 years BA - Sierra Nealon begins working as an MRI tech at Hennepin County Medical Center under teh name Brittany Eccleston
 * 12 years BA - Sienna is confined to her house
 * 1 week BA - Sierra Nealon locks Sienna in the box and disappears
 * 1 day BA - Sienna escapes the box by beating the steel door open
 * AA Day One - Sienna's home is invaded by two unknown men. She feels her home with a third unknown man, encounters Wolfe, and is beaten unconscious
 * AA Day Two - Sienna wakes up at The Directorate
 * AA Day Two night - Sienna has her first Dream Walk (with Reed)
 * AA Day Three - Sienna meets Erich Winter. She requests to return to her home - which happens later that same day - where she encounters Wolfe for the second time. Eight Directorate agents die.
 * AA Day Four - Sienna agrees to be tested by Dr. Sessions.
 * AA Day Four (after dinner) - Sienna returns to her room and finds Wolfe waiting for her. Five to eight Directorate agents die.
 * AA Day Five* - Wolfe starts his killing spree; Sienna is moved to a secure room in the main building
 * AA Day Seven - Zack visits Sienna to say goodbye and tell her he is going to South America to retrieve M-Squad. When he holds her hand he becomes lightheaded and she feels a tingle - first manifestation of her succubus powers
 * AA Days Eight and Nine - Sienna watches the news around the clock as Wolfe continues his killing spree
 * AA Day Ten - Sienna asks Kurt Hannegan to help her escape the Directorate so she can surrender to Wolfe and stop the killing
 * AA Day Eleven* - Sienna returns to her home and is met by Wolfe once again. He begins to strangle her, but she strangles him back and her succubus powers activate. She drains his soul and kills him