The Three Lions came from behind to beat their opponents 2-1 and set up a final against Italy on Sunday as they look to win their first major tournament since the 1966 World Cup.
However, there were a number of controversial incidents on the night, with Denmark goalkeeper Kasper Schmeichel having a laser pen shone in his eyes before Harry Kane took his extra-time penalty.
And the Danish national anthem was also booed ahead of kick-off by a number of fans, while others set off flares.
A statement released by UEFA on Thursday announced that England would be charged for the three incidents as a result.
It read: “Disciplinary proceedings have been opened following the UEFA EURO 2020 semi-final match between England and Denmark (2-1), played on 7 July at Wembley Stadium, London.
Charges against England :
Use of laser pointer by its supporters – Article 16(2)(d) of the UEFA Disciplinary Regulations (DR)
Disturbance caused by its supporters during the national anthem – Article 16(2)(g) DR
Lighting of fireworks by its supporters – Article 16(2)(c) DR
The case will be dealt with by the UEFA Control, Ethics and Disciplinary Body (CEDB) in due course.”
It is not clear exactly what the punishment will be, but it is likely the English FA will receive a big fine.
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The country rejoiced in celebration after the game, and England boss Gareth Southgate could not hide his pride at what his side had achieved.
Speaking at full-time he said: “We were so smooth through the quarter-final and relatively unscathed through the second round.
“We knew that at some point we were going to concede and we would have to respond.
“Denmark have had an incredible tournament. I have got to give them huge credit.
“But I think on the balance of play when you look at the number of saves we forced the goalkeeper to make and long periods of the game where I felt we were the biggest threat, I think we deserved it.”