| 1/1/1990, Mon | New Year's Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 3/17/1990, Sat | St. Patrick's Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
- Note
- Large street crowds, City Center streets closed for parade
|
| 3/19/1990, Mon | St. Patrick's Day: Additional Observance Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
- Note
- Large street crowds, City Center streets closed for parade
|
| 4/8/1990, Sun | Palm Sunday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/13/1990, Fri | Good Friday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/14/1990, Sat | Holy Saturday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/15/1990, Sun | Easter |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/16/1990, Mon | Easter Monday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 5/7/1990, Mon | May Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 6/4/1990, Mon | June Bank Holiday |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 8/6/1990, Mon | August Bank Holiday |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 10/29/1990, Mon | October Bank Holiday |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 12/24/1990, Mon | Christmas Eve |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/25/1990, Tue | Christmas Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/26/1990, Wed | St. Stephen's Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/27/1990, Thu | Day after St. Stephen's Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/31/1990, Mon | New Year's Eve |
- Religion
- –
- Disrespectful to Hold an Event
- –
|