| Date | Event Name | Status | Comments | People |
| Feb 22 |
YUI's First Year Party
|
Attend | 26 | 319 |
| Feb 28 |
Browser Wars: Episode II The Attack of the DOMs
|
Attend | 50 | 189 |
| Feb 26 |
YUI Library and YPattern Library 2nd Birthday Part...
|
Watch | 13 | 232 |
| Feb 26 |
YUI 3rd Birthday Party
|
Attend | 9 | 77 |