Findings:

• The Big Nate COMMENTS Wiki
• A quote about Russia from the Classic World Of Darkness wiki
• Wiki Loves Monuments
• eventually, everything will have its own wiki
• wiki (user)
• Personal Wiki
• Wiki
• So you want to write your own Wiki?
• Open Wiki

If you Log in you could create a "en.wikipedia.org/wiki/Line-crossing_ceremony" node. If you don't already have an account, you can register here.