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Arsenal are in the Champions League final

William Saliba centre-back of Arsenal and France celebrates the victory in the rain with his arms stretched wide after winning the UEFA Champions League semi-finalGetty Images

It's the first time the team has reached the final in 20 years

After a 1-0 victory in their second leg against Atletico Madrid on Tuesday night, Arsenal men's team are going to the UEFA Champions League final for the first time in 20 years.

And they've done it in style too - they're the only team left in the competition who have not lost a single match.

Bukayo Saka's goal in the 44th minute took their aggregate score (the combined score over two games) to 2-1, meaning they'll be facing either Paris St-Germain or Bayern Munich on 30 May.

The Gunners are now hoping they can achieve a double, which is winning the Premier League and the Champions League in the same season.

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What happened?

bakayo saka dribbling the ball with the stadium crowd out of focus behind himGetty Images

Bakayo Saka got the only goal of the game

Going into the match at the Emirates Stadium on Tuesday, Arsenal and Atletico Madrid were level at 1-1, so it was all to play for.

While both Arsenal and Atletico had some good chances, it wasn't until the 44th minute that Bakayo Saka tapped the ball into the net at close range.

After that, it was a case of Arsenal holding on, which they managed to do until the final whistle.

atletico madrid goalie Jan Oblak in a green kit kicking the ballGetty Images

Arsenal midfielder Declan Rice told journalists: "We knew coming into the game what was at stake. If you can't get up for that, then you can't get up for any game of football.

"When we went 1-0 up, I knew we were going to win. I could feel something special building."

Mikel Arteta manager of Arsenal and Ben White of Arsenal hugging to celebrate their sides victoryGetty Images

Arteta said his side had achieved something special

Manager Mikel Arteta was very proud of his side: "We made history again together," he said.

"I cannot be happier, prouder for everybody that's involved in this football club. The manner that we [were] received outside the stadium was special and unique.

"The atmosphere, our support has created the energy, the way they managed every ball with us... I never felt that in the stadium [before].

"We knew how much it meant to everybody... the boys did an incredible job and after 20 years and a second time in our history, we are back in the Champions League final."

What's next?

Noni Madueke, Mikel Arteta (Arsenal Manager) and Declan Rice of Arsenal holding hands and running across the pitch after winning the gameGetty Images

Can the Gunners go all the way?

Arsenal fans will find out who they'll be facing in the final on Wednesday night, when Paris St-Germain play Bayern Munich in the second leg of their semi-final.

The final will then take place on 30 May at the Puskás Aréna in Hungary.