"Certainly the Portuguese merchants were already in many cases wealthy and important. When they came to his dominions in Gascony, probably in quest of wine, Henry III. of England was glad to deal with them himself, and did not hesitate to borrow large sums of money from them on occasion."
The Treaty of Windsor, the oldest alliance in history, was signed on 9th May 1386. Portugal and England tied this political knot through the marriage of Philippa of Lancaster with King João I of Portugal. The constant travel between the two countries from then on became a common occurrence where strong business empires such as glass manufacture and port wine trading grew and flourished.
This important relationship of six centuries has seen its fair share of problems and indeed had its challenging times especially in the late 18th century and during WW2. However, this strong partnership with the exchange of people and ideas continued through the economic and political links of the European Union. Even with UK leaving the Union there are more than 250.000 Portuguese men and women living, working and studying in UK. They retain positions in many areas including architecture, medicine, sport and education.
When migrant workers to UK are often vilified and given a bad press in certain sectors of the British media this established and continued relationship of over 600 years exemplifies the importance of mutual co-operation, respect and the exchange of skills and ideas.