My version of what happens post May 2nd 1998
1998
May 2nd The battle of Hogwarts, the demise of Lord Voldemort and the end of the second wizarding war.
May 3rdHarry Potter and many others attend official press conferences to declare the 'true' story and the correct version of events.
May 4thEmergency Death-Eater trials are held but the Malfoys are spared on Harry's request.
May 5th Fred Weasley, Nymphadora Tonks, Remus Lupin, Severus Snape and many more are given post-death Orders of Merlin and a funeral service is held to which almost the entire wizarding Britain attends. They are buried behind Hogsmeade in a place now known as 'War Heroes Haven'
July 31st Harry celebrates his 18th birthday quietly at the Burrow and officially starts to date Ginny Weasley again.
4th August – Harry, Ronald Weasley and Hermione Granger are awarded Orders of Merlin First class and their names inaugurated on the chocolate frog cards. Ginny, Neville Longbottom, Luna Lovegood, Cho Chang, Parvati Patel and the surviving members of the order of Phoenix and many many more are awarded Order of Merlin Second and Third classes. The ghosts of Hogwarts are awarded Honouree awards, even Peeves the Poltergeist.
Mid August Ron officially asks Hermione on a date
September 1stGinny, Luna, Hermione and Draco Malfoy, amongst other students all return to Hogwarts to complete their seventh year
Mid September George Weasley re-opens the joke shop and Ron rents out a room above the shop. Harry buys a flat in London.
December 31st Hermione returns to Australia to bring home her parents and all three move back to their old home. Hermione returns to Hogwarts just after Christmas. Weasleys host a New Years Party to all friends…the Malfoys are not invited. ALSO in December, George and Angelina Johnson start dating.
1999
January 3rdHarry and Ron begin Auror training
February Dudley Dursley writes to say that Vernon Dursley has died and Harry despite hating the man, attends the funeral and finally is able to come to peace with the Dursleys. Dudley and Harry decide to stay in touch.
March Andromeda Tonks and Narcissa Malfoy meet again. Draco also gets to meet his aunt and her grandson – Teddy Lupin, now aged one.
May George Weasley weds Angelina Johnson
August Ginny, Hermione and Luna go on a girls' holiday to Spain. Luna meets Rolf Scamader, a self-employed environmentalist, and they begin to date
October Hermione begins training in Magical Law Enforcement
December Ginny starts playing Quidditch professionally with the Holyhead Harpies all women team.
2000
2nd May Victoire Weasley is born to Bill and Fleur Weasley
July Percy Weasley starts dating Audrey Stacks
September Dudley starts to date his colleague at work: Patricia O'Hara
November Rolf invites Luna to go travelling with him. She accepts and leaves England.
2001
January Ronald Weasley weds Hermione Granger
February Hermione moves to work with Time travel in the Department of Ministry
April Audrey Stacks moves in with Percy permanently
December Dudley Dursley weds Patricia O'Hara
2002
February Draco starts to date Astoria Greengrass
11th April Dominique Weasley is born to Bill and Fleur Weasley
23rd November Roxanne Weasley is born to George and Angelina Weasley
2003
9th FebruaryMolly Weasley is born to Percy Weasley and Audrey Stacks
October Harry Potter weds Ginny Weasley
November Neville Longbottom and Hannah Abbott start dating
December Lucius Malfoy dies from clinical shock after sustaining a head injury. He is found dead in Malfoy Manor by his son and wife, Draco and Narcissa Malfoy.
2004
January Draco sells Malfoy Manor and with the money, opens a potions lab for commercial and business use. Narcissa moves in with her sister Andromeda and her sister's grandson – Teddy Lupin.
February Draco Malfoy weds Astoria Greengrass
March Percy Weasley weds Audrey Stacks. A week later they discover that Audrey is pregnant with their second child.
4th September Lucy Weasley is born to Percy and Audrey Weasley
2005
14th January James Sirius Potter is born to Harry and Ginny Potter
5th August Freddy Weasley is born to George and Angelina Weasley
30th September Rose Weasley is born to Ron and Hermione Weasley
2006
13th March Scorpius Malfoy is born to Draco and Astoria Malfoy
29th July Albus Severus Potter is born to Harry and Ginny Potter
September Neville Longbottom weds Hannah Abbott
2007
March Rolf Scamader weds Luna Lovegood
6th December Hugo Weasley is born to Ron and Hermione Weasley
2008
1st June Lily Luna Potter is born to Harry and Ginny Potter
11th September Louis Weasley is born to Bill and Fleur Weasley
2009
March Great Aunt Muriel dies peacefully at her home.
10th May Maya Dursley is born to Dudley and Patricia Dursley
1st September Teddy begins his first year at Hogwarts
2010
January Hermione successfully publishes her research on time travel keeping in tight conjunction with the magical laws surrounding it. This leads to her promotion in becoming the head of both departments.
March Charlie Weasley brings back a man from Romania and announces that he is gay and Anthony Cullen is his boyfriend of three months.
2011
June Harry Potter is promoted to Head of the Auror Department
1st September Victoire begins her first year at Hogwarts
19th September Lorcan and Lysander Scamader are born to Rolf and Luna Scamader
2012
March Luna and Rolf open an importing business for rare and unique potions ingredients.
July Maya's cousin takes part in the women cycling race in the London Olympics (An international sporting event run every four years) – she wins a Bronze medal.
2013
1st September Dominique begins her first year at Hogwarts and Teddy is appointed Prefect.
2014
June After the gay marriage act being passed in the UK, Charlie and Anthony get married. They both move to England permanently and both retain their individual surnames.
1st September Roxanne and Molly begin their first year at Hogwarts
2015
September Ginny is appointed as a part time Quidditch coach for elite student-age Quidditch players and at Hogwarts Teddy is appointed Head Boy
2016
February Victoire and Teddy begin dating
1st September Lucy, James and Freddy begin their first year at Hogwarts. Dominique is appointed Quidditch captain of her house
December Teddy begins Auror training and Ron becomes his mentor
2017
1st September (the day depicted in the epilogue of DH) Rose, Scorpius and Albus begin their first year at Hogwarts. Victoire and Teddy are caught kissing and Victoire is appointed Head Girl
2018
March Percy decides to take early retirement and Cormac McLaggen replaces him as the deputy Minister of Magic.
September Molly is appointed prefect
October Victoire begins Healer training and her Aunt Audrey is her supervisor.
2019
1st September Lily and Hugo begin their first year at Hogwarts
November Ginny leaves the Holyhead Harpies and is now a private coach for top performing female Quidditch players who wish to play Quidditch professionally.
December Teddy finishes Auror Training.
2020
1st September Louis and Maya begin their first year at Hogwarts. Dominique trains to be a dragon tamer with her uncle Charlie. Roxanne takes over the Quidditch captaincy from her cousin Dominique.
December Minister of Magic, Kingsley Shaklebolt dies of Cardiac Arrest and immediately an interim minister is temporarily put in place
2021
January Teddy Remus Lupin weds Victoire Weasley
June Mid-year Ministry election poll is taken. Minors below 17, muggles, non-UK residing magical folk and Azkaban prisoners are not allowed to vote. Every other eligible magical creature WHO IS STILL ALIVE (so ghosts are not eligible) is given the right to vote.
July Roxanne is selected for an International Magical Relations internship in France, starting next month.
September Molly is employed by the research department of St. Mungo's to work on magical illnesses and their muggle counterparts and in Hogwarts Albus becomes his house's Quidditch captain
October Markus William James Lupin is born to Teddy and Victoire Lupin. James Potter is appointed as Godfather.
December Ron replaces Harry as Head of Auror department and Harry Potter is appointed the next minister of magic.
The future:
Freddy takes over his parents' joke shop
James becomes Head boy in his seventh year and enters the auror training program the following year. Teddy is his mentor
Lucy becomes the next charms professor at Hogwarts
Albus like his mother, becomes a professional Quidditch player
Rose becomes the head girl in her seventh year and eventually carries on to be the Potions professor at Hogwarts
Scorpius takes over his father's potions business and in his seventh year is appointed Head Boy
Hugo leaves Hogwarts and works in Australia with their magical creatures and magical folk friendship association company
Lily is appointed a prefect for her house at Hogwarts and goes on to work for the Department of Ministry, under her Aunt Hermione's supervision
Louis becomes a prefect in his fifth year and eventually becomes the Arithmancy professor at Hogwarts
Maya enters the world of novel writing. She publishes magical and muggle fiction. In the muggle world she writes under the pseudonym of Jessica R.
Lorcan and Lysander both decide to leave their magical inheritance and enter the film industry of Britain.
Scorpius and Rose marry
Maya and Louis marry
Fin.