11th century

The following events occurred in the 11th century:

• Salazar Slytherin creates the Chamber of Secrets and abandons Hogwarts.
• Helena Ravenclaw steals her mother's diadem and flees Britain. After hiding the diadem inside of a tree in Albania, she is killed by The Bloody Baron, who then commits suicide. Rowena Ravenclaw passes away not long afterwards.
• A Gaelic poem on Creaothceann is written.
• Gertie Keddle watches and writes about one of the first primitive games of Quidditch.

Decades

• 1000s
• 1010s
• 1020s
• 1030s
• 1040s
• 1050s
• 1060s
• 1070s
• 1080s
• 1090s

Notes and references

Centuries B.C. era - 1st to 10th century - 11th century - 12th century - 13th century - 14th century 15th century - 16th century - 17th century - 18th century - 19th century - 20th century - 21st century