Spain and France sent an ultimatum to Lisbon ( 1 April 1762 ) stating that Portugal had to :
Both Bourbon powers decided to force Portugal to join their Family Compact ( the Portuguese king was married to a Bourbon , the Spanish king 's sister ) .
Spanish and France sent an ultimatum to Lisbon ( 1 April 1762 ) stating that Portuguese had to :
Both Bourbon powers decided to force Portugal to join their Family Compact ( the Portuguese king was married to a Bourbon , the Spanish king 's sister ) .