While Africa, Asia and North America will not be represented, dashing any hope of a revolutionary breakthrough in the eventual destination of the trophy, at least one of this year's finalists will not have reached the title decider for half a century, if at all.
Belgium play in a second successive World Cup quarter-final, looking to reach the semi-finals for the second time after they advanced to the last four in Mexico 32 years ago.
Uruguay, with 3.3 million people, are into a quarter-final with Argentina's conquerors France after four straight wins including a stunning 2-1 knockout victory over Cristiano Ronaldo's Portugal.
Argentina may have been knocked out of the World Cup in Russia, but plenty of their frustrated fans remain, holding tickets to finals they expected their team to feature in - while hoping desperately that bitter rivals Brazil get eliminated.
Uruguay will seek to summon up all their famous defensive spirit in Friday's quarter-final against France to shackle the Europeans' lighting-fast teenage top-scorer Kylian Mbappe.
The three sides who have bossed the ball the most in Russia, Spain, Germany and Argentina have all said "do-svidaniya" before the quarter-finals.
Uruguay's Edinson Cavani has always played second fiddle to his more illustrious attacking colleagues at country or club level but the long-haired marksman emerged out of those shadows with his twin strike in the World Cup round of 16 last week.
Brazil firmed up to 3-1 favourites to win the World Cup for the sixth time after goals from Neymar and Roberto Firmino secured a 2-0 win over Mexico and a place in the quarter-finals on Monday.
Hosts Russia have exceeded expectations after advancing to the World Cup quarter-finals with a win on penalties over Spain but they will need more firepower if they are to give Croatia a run for their money on Saturday.
Spain's dramatic defeat by Russia on penalties in the World Cup round of 16 on Sunday ensured that at least one of this year's finalists will not have reached the title decider for half a century, if at all.
European champions Portugal came up against a superior version of themselves as they were knocked out of the World Cup by Uruguay on Saturday. Although Uruguay forward Edinson Cavani and Portugal's Cristiano Ronaldo will grab the headlines -- the former for his two brilliantly goals and the latter for what could well be his World Cup farewell -- Uruguay owed their 2-1 win to a superb all-round performance.
Cristiano Ronaldo declined to comment on his international future after bowing out of the World Cup following Portugal's 2-1 defeat by Uruguay.
The World Cup lost its headline acts on Saturday as the game's two biggest stars, Lionel Messi and Cristiano Ronaldo, readied to leave Russia after their teams were eliminated in the round of 16. Messi's Argentina lost 4-3 to France and hours later Ronaldo's Portugal went down 2-1 to Uruguay, leaving the tournament without its two best known and most loved players.
Uruguay forward Edinson Cavani scored twice to earn the South Americans a 2-1 win over European champions Portugal in their World Cup round of 16 clash on Saturday and set up a quarter-final against France.
Les Bleus' average age is 26 years old -- like England -- and Kylian Mbappe is 19, but it was he who ran riot after France fell 2-1 behind early in the second half.
Angel Di Maria unleashed a stunning long-range strike in the 41st minute to draw Argentina level at 1-1 against France at halftime of their round of 16 World Cup clash on Saturday.
The last time Stanislav Cherchesov walked out at Moscow's Luzhniki Stadium to face Fernando Hierro's side, the Spaniards were heavy favourites but the Russians reached the next round.
Spain will beat Russia in Sunday's World Cup last 16 match in Moscow -- at least if you believe Harry, the so-called 'oracle' otter in Sochi who has so far correctly forecast the hosts' two victories and one defeat at the tournament.
A restaurant in St Petersburg has struck a chord with the hordes of soccer fans in town for the World Cup by serving up pizzas featuring the faces of some of the tournament's biggest stars.
The incident, the first reported death of a World Cup visitor to Russia, was blamed by police on the driver, although Russian roads are notorious and claimed over 19,000 lives in 2017.
The points table of the 2018 FIFA World Cup.
Pragmatic, difficult to beat, spearheaded by talismanic forwards and led by veteran, battle-hardened coaches -- few teams have as much in common with each other as Uruguay and Portugal who meet in a World Cup round of 16 tie on Saturday.
Uruguay have one of the best recent records of all 32 World Cup sides, having won all six of their games this year, conceding precisely zero goals.
They can now dream of going one better than their third-place finish in 1998, which marked their first participation in the World Cup finals as an independent nation.
The right-footed Quaresma has scored at least one dozen similar goals during his career and also uses the trivela for passing and crossing.
The uncertainty surrounding the Liverpool forward's participation after he suffered shoulder ligament damage in last month's Champions League final, had a huge impact on both preparations and team confidence coming into the tournament.
The 2-2 draw in Kaliningrad was thrilling for neutrals but exposed huge vulnerabilities in the 2010 world champions, who had to come from behind twice after careless mistakes gifted two goals to already-eliminated Morocco.
The Barcelona striker's clever, low free kick helped Uruguay to beat hosts Russia 3-0 on Monday and to clinch top spot in Group A with three straight wins.
IMAGES from the FIFA World Cup Group B match played between Portugal and Iran in Saransk on Monday
IMAGES from the Group A match played between Russia and Uruguay in Samara on Monday
The top two teams in each group go into the last 16. In the case of teams finishing level on points, FIFA has put in place seven tie-breakers starting with goal difference and then the number of goals scored in all group matches.
Russia coach Stanislav Cherchesov was in bullish mood ahead of their final Group A showdown with Uruguay on Monday, dismissing suggestions his men under pressure because of their status as World Cup hosts.
Three South American sides have accounted for almost half of all World Cup titles but their worst overall performance since 2002 has raised the question: Is South American football on the wane?
A draw in Kaliningrad would guarantee the 2010 winners safe passage into the last 16 but to be assured of winning the group they need to win a scoring contest with Portugal, who play Iran at the same time.
Les Bleus needed a penalty, given by the video assistant referee, and goal-line technology to beat Australia 2-1 in their opening game and they were shaken up by Peru on Thursday but won 1-0 thanks to a Kylian Mbappe goal.
Sampaoli looked morose after Argentina's heaviest defeat in a World Cup group stage since 1958 and appeared resigned to his side's fate.
Sergio Ramos has responded to a putdown from Argentina great Diego Maradona
Saudi Arabia are looking towards the Asian Cup with hope after they showed signs of progress in their 1-0 defeat to Uruguay as they exited the World Cup on Wednesday.
Increasingly isolated on the global stage, the World Cup has so far helped Vladimir Putin send a defiant message to his opponents that Russia is succeeding despite Western efforts to hold it back.
Luis Suarez marked his 100th international cap by sending Uruguay into the last 16 of the World Cup as the striker benefited from some poor goalkeeping to eliminate Saudi Arabia with a 1-0 win.