This is a timeline of Portuguese history, comprising important legal and territorial changes and political events in Portugal and its predecessor states. To read about the background to these events, see History of Portugal. Centuries: 3rd BC·2nd BC·1st BC·3rd·5th·6th·8th·9th·10th·11th·12th·13th·14th·15th·16th·17th· 18th·19th·20th·21st

3rd century BC

2nd century BC

1st century BC

3rd century

5th century

6th century

8th century

9th century

10th century

11th century

12th century

13th century

14th century

15th century

16th century

17th century

18th century

19th century

20th century

21st century