Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page 50s:

"
  • (approximate year) Marcus Ulpius Traianus, Roman emperor (d. 117)[1]
  • Domitia Longina, Roman empress (approximate date)[citation needed]
  • Kanishka I, Indian ruler of the Kushan Empire (d. 150)[citation needed]