Rafael Nadal completed his own La Decima by crushing Stan Wawrinka to win an unprecedented 10th French Open title.
The last poll showed that 44.3 percent backed a split from Spain, while 48.5 percent want to continue with the status quo.
Real Madrid is the European champion for the third time in four seasons, defeating Juventus 4-1 in the UEFA Champions League final at the Millennium Stadium in Cardiff.
The coach raised the Copa del Rey after Barcelona defeated Alaves 3-1 in the final on Saturday.
France, along with Spain, Greece, Britain, will continue to face disciplinary procedures for its excessive budget deficit.