|0||1960||Born 9 January: Severus
Snape is born to witch Eileen (Prince) Snape and muggle Tobias Snape
(HBP30). Young Severus grows up in what appears to have been an unhappy
home (OP26) in an industrial part of northern England.
Year calculated from year of James Potter's birth; t he month and day were given on Jo's website (JKR).
|c. 1969||Sees Lily Evans and her sister Petunia on the playground, watches Lily perform magic, and tells her that she is a witch. Lily and Snape become friends.|
|1971|| 1 September: Enters Hogwarts
and is sorted into Slytherin; Lily is sorted into Gryffindor. Snape
is 11 years old.
Year calculation based upon Snape birth year.
“Snape knew more curses when he arrived at school than half the kids in the seventh year and he was part of a gang of Slytherins who nearly all turned out to be Death Eaters.” – Sirius Black (GF25).
|1970s||Lord Voldemort begins his first reign of terror. He is so changed that few recognize him as Tom Marvolo Riddle (CS18).|
|1973||1 September: Begins third year at Hogwarts. Snape is 13 years old.|
|1974||1 September: Begins fourth year at Hogwarts. Snape is 14 years old.|
|1975||1 September: Begins fifth year at Hogwarts. Snape is 15 years old.|
|1976||June: Snape sits his O.W.L.s,
along with Lupin, Sirius, James, and Peter.
Snape’s "worst memory:" That afternoon, James Potter
and Sirius Black publicly humiliate Severus; Lily Evans defends Severus
until he insults her (OP28). Later, Lily and Severus speak and Lily
cuts her ties to him because of his fascination with the dark arts.
Snape is devastated.
1 September: Begins sixth year at Hogwarts. Snape is 16 years old.
1976-1977 school year: Sirius tricks Snape into following Lupin through the passage beneath the Whomping Willow. James Potter, realizing that Snape would encounter a full-blown and very dangerous werewolf at the end of the passage, stops Snape from going through, thereby saving his life. Snape, much to his disgust, is indebted to James Potter because of this. Dumbledore calls this a "life debt."
|1977||9 January: Severus Snape is
17, and has “come of age” in the wizarding world.
1 September: Begins seventh year at Hogwarts at the age of 17.
|1978||9 January: Snape turns 18
June: N.E.W.T.s; Snape finishes his schooling at Hogwarts.
Becomes Death Eater? It is not known to what extent he participated in Voldemort's reign of terror.
|9 January: Snape turns 19
Becomes Death Eater? It is not known to what extent he participated in Voldemort's reign of terror.
July on a "cold, wet night": The Prophecy: Seeks
teaching job at Hogwarts. Eavesdrops on Dumbledore's interview
of Sybill Trelawney and overhears the first part of the Prophecy.
At some point afterward, Snape tells Voldemort what he heard
This event may have happened as early as the fall of 1979, but a date in the spring seems more likely.
31 July: Harry Potter is born to James and Lily Potter.
August?: Snape learns that Voldemort has decided that Harry Potter fits the Prophecy and has marked the Potters for death. Snape asks Voldemort to spare Lily.
Snape, still desperate to protect Lily, warns Dumbledore that Voldemort is planning an attack on the family and begs Dumbledore to keep Lily safe in return for his loyalty. The Potters go into hiding at Godric's Hollow.
|1981||24 October: Fidelius charm
cast on Godric's Hollow to protect the Potter family, but it fails
when the Secret keeper, Peter Pettigrew, betrays the Potters to
31 October: Quite possibly midnight, Voldemort murders James and Lily Potter at their hiding place in the village of Godric’s Hollow. When he tries to kill Harry, however, Lily's self-sacrifice causes the the curse to rebound and Voldemort is nearly killed.
November?: Distraught over Lily's death, Snape reaffirms his allegiance to Dumbledore. He promises to protect Harry's life but tells Dumbledore that no one is to know of his unrequited love for Lily.
Late fall or early winter: Denounced by Karkaroff as a Death Eater in the Wizengamot; Dumbledore vouches for his loyalty.
Month unknown: Hired to teach at Hogwarts, though Dumbledore refuses Snape's request that he be assigned to teach Defense Against the Dark Arts (OP17).
Snape told Umbridge in 1995 that he had been teaching at Hogwarts for 14 years (OP17).
|1982-1991||The years before Harry Potter’s
arrival at Hogwarts. Nothing is known about these years,
apart from small tidbits of information provided from comments
made by certain members of the Weasley family. Snape is
the Hogwarts Potions Master and Head of Slytherin House.
June 1985: Slytherin wins the Quidditch Cup, breaking a long Gryffindor winning streak; Gryffindor does not win again until 1994.
|1991 Y11||1 September: Harry Potter
begins his first year at Hogwarts; student in Snape's Potions class.
6 September: First Potions class.
8 November: Harry realizes that Snape has been bitten by Fluffy.
9 November: Snape saves Harry from being cursed by Professor Quirrell during a Quidditch match.
|1992 Y12||22 February: Snape referees
the Hufflepuff/Gryffindor Quidditch match so that Quirrell can't
25 May: Harry overhears Quirrell talking to Snape about loyalty.
|1992 Y12||1 September: Harry Potter
begins his second year at Hogwarts; student in Snape's Potions
17 December at 8pm, Great Hall: Snape duels Lockhart in the ‘dueling club’ (CS11) .
|1993 Y13||8 May: Dumbledore removed
as Headmaster and Hagrid taken to Azkaban (CS14).
29 May: Harry defeats Tom Riddle in the Chamber of Secrets; diary Horcrux broken.
1 June: Exams cancelled. No Quidditch Cup awarded.
1 September: Harry Potter begins his third year at Hogwarts; student in Snape's Potions class.
5 November: Snape substitutes for Lupin as Defense Against the Dark Arts professor and assigns an essay on werewolves.
|1994 Y14||16 April : Gryffindor (Oliver
Wood's team) wins the Quidditch Cup for the first time in years,
finally taking it away from Slytherin who won it seven years in
a row prior to that. The score is 230 to 20. There are no girls
on the Slytherin Quidditch team.
6 June: Follows Lupin to the Shrieking Shack, the hiding place of escapee Sirius Black. Harry immobilizes Snape to protect Sirius. We find out a little bit about why Snape loathes James Potter, Remus Lupin and Sirius Black (and the truth about Peter Pettigrew/Wormtail is discovered).
|1994 Y14||1 September: Harry Potter
begins his fourth year at Hogwarts; student in Snape's Potions
25 December: Yule Ball 8pm until midnight. Snape is blasting rose bushes apart and handing out detentions.
|1995 Y15||24 June: Cedric is killed,
Voldemort reborn. Snape is "summoned" via his Dark Mark,
but (along with Karkaroff) does not join the other Death Eaters
in the graveyard.
Late June: Reveals his Dark Mark to Cornelius Fudge. The news of Voldemort's re-birth forces Snape to take on a mysterious task for the Order of the Phoenix. We find out that Snape has been a spy for Dumbledore.
|1995 Y15||5 August: Harry learns that
Snape is a member of the Order of the Phoenix when Snape arrives
at 12 Grimmauld Place to give a report. Harry sees a building plan.
1 September: Harry Potter begins his fifth year at Hogwarts; student in Snape's Potions class.
2 September: First day of classes; "Draught of Peace" taught in Potions.
8 September: Umbridge appointed "High Inquisitor."
7 October: Umbridge inspects Snape's Potions class.
|1996 Y16||11 January: Snape tells Harry
that Dumbledore has told him to teach Harry Occlumency. We find
out that Snape is a “superb Occlumens.”
Also on this day, ten Death Eaters escape from Azkaban.
13 January: Snape begins teaching Harry Occlumency every Monday and Wednesday. During these lessons, Snape admits to Harry that he is spying on the Death Eaters for the Order of the Phoenix.
Early April: Harry sees Snape’s apparently “worst memory” in the pensieve; disastrous end to the Occlumency lessons.
Early June: Snape is put on Probation by Dolores Umbridge for refusing to brew more Veritaserum. Snape saves Harry’s (and many other lives) by alerting Dumbledore when he found out that Harry had gone to the Department of Mysteries; Snape does not participate in the battle.
The Wizarding World finds out that Lord Voldemort is really is back.
|1996 Y16||Late June or early July: At
some point in late June or early July Snape was at Hogwarts where
he "might have" saved Dumbledore's life when the Headmaster
returned "desperately injured" after breaking the ring
Living in a tenement house on Spinner's End with Peter Pettigrew. Order of the Phoenix member Emmaline Vance "nastily" murdered by Death Eaters; Severus Snape later claims to Bellatrix that he was the one who betrayed her (HBP5). Makes an Unbreakable Vow with Narcissa Malfoy:
Harry Potter begins his sixth year at Hogwarts; student in Slughorn's Potions class and Snape's D.A.D.A. class.
2 September: First D.A.D.A. class: Snape tries to jinx Harry, Harry retaliates and gets detention.
14 September: Harry's first detention with Snape (flobberworms).
20 December: Slughorn's Christmas party, where Draco is caught wandering outside. Later Harry overhears Snape trying to get Draco to let him help.
24 December: Harry reports to Arthur and Lupin about his suspicions of Draco and Snape.
|1997 Y17||1 March: Hagrid lets slip
to Harry that Dumbledore argued with Snape.
7 May: Snape discovers that Harry has used Sectumsempra on Draco and gives Harry detention for the rest of the school year.
11 May: Harry has detention with Snape who makes him re-copy old detention files pertaining to James' and Sirius' misdeeds while at school.
Early June: Harry learns from Trelawney that Snape was the one that overheard her make the Prophecy.
Snape kills Professor Dumbledore with the Avada Kedavra curse when Draco fails to do so (HBP26). Admits to being the 'Half-Blood Prince' and escapes Hogwarts.
Hermione tells Harry that Eileen Prince was Snape's mother.
|1997 Y17||July: Snape attends a Death
Eater meeting at the Malfoy mansion in Wiltshire where he tells
everyone that the Order plans to move Harry from Privet Drive before
his birthday and witnesses the murder of fellow Hogwarts professor
August: Snape is made the Headmaster of Hogwarts by a Ministry controlled by Death Eaters.
School year: Snape walks a thin line between maintaining his cover as a Death Eater and protecting the students at Hogwarts from the Carrows who have been installed as the Muggle Studies and Defense Against the Dark Arts professors.
December 26: Dumbledore's portait tells Snape to hide Gryffindor's sword in the Forest of Dean where Harry can find it (DH33). Snape leads Harry to the sword with his Patronus, a silver doe.
|1998 Y18||May: Harry arrives at Hogwarts
to search for the diadem Horcrux. Minerva McGonagall and Filius
Flitwick confront Snape and force him to flee the building.
May: Voldemort kills Snape in a mistaken attempt to gain control over the Elder Wand. This is witnessed by Harry who goes to Snape and is able to collect his leaking memories before he dies. Once viewed in a Pensieve, Harry realizes that Snape had loved his mother Lily and had spent the last eight years trying to protect him.
- Lexicon: Master list of Lexicon timelines
- Lexicon: Severus Snape Quick Facts
- Lexicon: Severus Snape Profile
- Lexicon: Severus Snape Quotes
- JKR on Snape (Accio Quote!)
Primary editor: Lisa Waite Bunker.
Previous editor Cindy Eric.
Original artwork of Snape Snooping ©2006 Makani. Used with permission.
Original page date 10 March, 2001; Last page update 6 October, 2007.