| 1/1/1980, Tue | New Year's Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 2/18/1980, Mon | Carnival/ Rose Monday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 2/19/1980, Tue | Carnival/ Shrove Tuesday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 3/30/1980, Sun | Palm Sunday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/3/1980, Thu | Holy Thursday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
- Note
- Banks are not closed per Bank of Portugal.
|
| 4/4/1980, Fri | Good Friday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/6/1980, Sun | Easter |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/25/1980, Fri | Liberty Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 5/1/1980, Thu | Labor Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 6/5/1980, Thu | Corpus Christi |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 6/10/1980, Tue | Portugal Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 6/12/1980, Thu | Festa de Lisboa Parade |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- LB5 new for 2003
Huge parade down Central Avenue. Culmination of 3 week Festa de Lisboa
|
| 6/13/1980, Fri | Lisbon's Day/St. Anthony's Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
- Note
- 1999 Businesses chose to open or not. Lisbon Saint’s Day.
|
| 6/23/1980, Mon | St. John the Baptist Eve |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Huge fireworks display
|
| 6/24/1980, Tue | St. John the Baptist Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
- Note
- Porto saint’s day. This is observed in Porto and Braga ONLY.
1999 Businesses choose to open or not
|
| 8/15/1980, Fri | Assumption |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 10/5/1980, Sun | Republic Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- *New Addition
|
| 11/1/1980, Sat | All Saints' Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/1/1980, Mon | Independence Day/Youth Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 12/7/1980, Sun | Lisbon International Marathon |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Foot race
|
| 12/8/1980, Mon | Immaculate Conception |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/24/1980, Wed | Christmas Eve |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/25/1980, Thu | Christmas Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/31/1980, Wed | New Year's Eve |
- Banks Closed
- PM
- Religion
- –
- Disrespectful to Hold an Event
- –
|