"England we're proud of you, that's all I've got to say".
One defeat against a second-rate Belgium XI has tarnished an otherwise flawless record for Southgate's side, while England have avoided perennial powerhouses Spain, Germany and Brazil.
Eric Amsalem, a 48-year-old Croatian fan with his face painted in the colours of the national flag said: "It's a small country".
The Croatia defender Domagoj Vida added to the long-standing tensions with a video that was released of him shouting "Glory to Ukraine", after his team had put Russian Federation out on penalties in the quarter-final.
Crowds gathered at locations including London's Hyde Park, Millennium Square in Leeds, Nottingham Castle, and Birmingham's Archway outdoor cinema.
As they entered the second half of extra time against England with the scores level, it began to look like they would need to step up to the spot again, until Mario Mandžukić scored with 11 minutes to play.
Josh Quinn, 22, from Bristol, said: "It was a disappointing performance from England". I couldn't be prouder with what they've done. "People should recognise that I am also one of the best defenders in the world and not just talk nonsense". I was in France two years ago and we left under completely different circumstances.
Harry Kane was not on his game at the Luzhniki Stadium, Dele Alli failed to make an impact and the centre-halves looked shaky at stages under the pressure from Croatia after the break. We'd love to see them! You don't get that reaction if you haven't played as well as you have.
"We worked as hard as we could.it hurts, it hurts a lot and it will hurt for a long time".
World Cup fever is gripping the country as the Three Lions defied expectations to go their furtherest in the tournament since 1990.
"We have the chance to do something better, and hopefully we can do it on Sunday".