Which also means the 10 year anniversary of the death of:

Fred Weasley - killed by Augustus Rookwood
Remus Lupin - killed by Antonin Dolohov
Nymphadora Tonks - killed by Bellatrix Lestrange
Vincent Crabbe - accidently killed himself with Fiendfyre while trying to kill Harry Potter
Bellatrix Lestrange - killed by Molly Wealey
and Severus Snape - killed by Nagini on Lord Voldemort's orders

May They Rest In Peace

The info has came from Harry Potter Wiki