May is the fifth month of the year. May is also one of the months of the year with thirty-one days.
- "I know that you are preparing to fight. Your efforts are futile. You cannot fight me. I do not want to kill you. I have great respect for the teachers of Hogwarts. I do not want to spill magical blood. Give me Harry Potter, and none shall be harmed. Give me Harry Potter, and I shall leave the school untouched. Give me Harry Potter, and you will be rewarded. You have until midnight."
- —Lord Voldemort's ultimatum, leading to the Battle of Hogwarts[src]
|1 May||1998||The trio break-in into Gringotts to steal Hufflpuff's Cup from the Lestrange vault. This break-in is the first and only successful one.|
|2 May||1998||The Battle of Hogwarts was fought on the 2 May. 1998. This battle concluded the Second Wizarding War. Also on the 2 May, 1998 Harry Potter defeated Lord Voldemort once and for all.|
|Unknown||Victoire Weasley is born to Bill and Fleur Weasley.|
|15 May||Pomona Sprout is born.|