Timeline of the Witching World

The Witching World has a long and exhaustive history. As such, here is an in-universe timeline of events, alongside a chart of the years that characters studying at Hogwarts are in.

989 AD

 * Hogwarts is founded by the four Founders.

1003 AD

 * Ginevra Gryffindor and Samara Slytherin engage in a friendly magical duel as Helga Hufflepuff and Rowena Ravenclaw look on.

1986

 * Nymphadora Tonks begins her first year at Hogwarts and is hypnotized by Professor Minerva McGonagall for the first time shortly after being Sorted into Hufflepuff.

July

 * Hermione Granger and her mother enter the Witching World after being hypnotized by Minerva McGonagall.

September

 * Isabella Patterson and Hermione Granger begin their first year at Hogwarts. Isabella is Sorted into Hufflepuff, while Hermione is Sorted into Gryffindor.

August

 * Isabella comes to Hogwarts for a week in order to be trained as a Prefect by her head-of-house.

September

 * Emily Wagner, Ginny Weasley and Luna Lovegood all begin their first year at Hogwarts, the former two being Sorted into Hufflepuff, and the latter being sorted into Ravenclaw. Emily soon develops a crush on Isabella after being hypnotized by her breasts as part of the Start-of-Term Feast.
 * Emily tries to hypnotize Professor Aurora Sinistra as a result of a bizarre plan put into place by Headmistress Amelia Bones.
 * After hearing about how Isabella drugged her after catching her trying to hypnotize Professor Sinistra, Emily confesses her love to her, thus becoming girlfriends.

October

 * Emily and Isabella meet up with Emily's mother Melissa at the Three Broomsticks during a Hogsmeade Weekend. The three agree to give Isabella Emily's hypnotic trigger.
 * Emily and Isabella get hypnotized by a bath formula made by Professor Pomona Sprout.
 * Minerva tells Emily and Isabella the story of how her and Hermione met.

January

 * Hermione and Minerva propose to each other, after being hypnotized by Emily and Isabella, respectively, to do so.

May

 * Hermione and Minerva marry each other in a lavish ceremony hosted at Hogwarts and officiated by Amelia Bones.

June

 * Amelia Bones hypnotizes Isabella to consider taking Divination at the request of her niece.
 * The Second-Year students attend an 'Elective Information Night', where they are given samples of the curriculum of the elective classes.

July

 * Emily and Isabella use Melissa's enchanted anesthesia machine.
 * Ginny successfully tries out for the Gryffindor Quidditch team at Angelina Johnson's house, where she is put into trance by her, Alicia Spinnet and Katie Bell.
 * Jean visits the Soft Trances Spa and discovers that Tonks works there as a masseuse.

August

 * Susan is bound by Devil's Snare, as a test for its use in Herbology class.
 * Isabella and Emily come to Hogwarts for a day in order to refresh Isabella's Prefect training, where they are hypnotized by Professors Sinistra and Burbage.
 * Hermione is presented with a Time-Turner by Minerva, as part of a new Ministry initiative.

September

 * Isabella, Emily, Hermione, Ginny and Susan all meet up on the Hogwarts Express and discuss their summers.
 * Minister of Magic Delores Umbridge gives a speech at the Start-of-Term Feast.

November

 * Isabella and Emily compete against Hermione and Minerva in an election to determine the cutest couple at Hogwarts.

Year Table
NOTE: Years marked with an asterisk mean that the character in that row has skipped the year prior.