- "It's a boy! We've named him Ted, after Dora's father!"
- —Remus announcing the birth of his son[src]
|Unknown||1998||Teddy Lupin was born to Nymphadora and Remus Lupin in April 1998.|
|1 April||1978||Fred and George Weasley were born to Molly and Arthur Weasley on 1 April 1978.|
|21 April||1996||Dolores Umbridge becomes headmistress of Hogwarts.|
|28 April||Unknown||Horace Slughorn is born.|