One Final, One Trophy
Most of the great football nations have reached the World Cup final more than once, which means most of them have also lost one. Germany has lost four finals. Brazil has lost two. Argentina, France, and the Netherlands have all experienced the heartbreak of a final defeat. England stands apart not because they have won many finals, but because they have won the only one they ever played.
Wembley, 1966
England's single World Cup final appearance came on home soil, at Wembley Stadium in London on 30 July 1966. The opponents were West Germany. The match went to extra time after finishing 2–2, and Geoff Hurst scored twice in the extra period — including his famous disputed goal off the crossbar — to give England a 4–2 victory. It remains the only World Cup the country has ever won, and because they have not returned to a final since, their record in finals is a perfect one win from one played.
Why They Have Not Been Back
England's 1966 win came with the enormous advantage of hosting the tournament, in front of home crowds, in familiar stadiums, with a golden generation of players. In the decades since, the team has come close on several occasions — semi-finals in 1990 and 2018 — but has not reached the final again. Each near-miss has only added to the weight of that single perfect record: one appearance, one victory, nothing lost.
A Record Shared by Others
England are not the only nation with a perfect final record. Uruguay won both of their finals, in 1930 and 1950. Spain won their only final in 2010. But England's case is the most discussed, partly because of the size of English football's global footprint and partly because the 1966 win is so central to the country's sporting identity. The record is unblemished — and for now, it stays that way.
Source
This article was written using information from Wikipedia.