Austria have won their first World Cup match in 36 years, defeating a Jordan side making its debut.
Earlier, Argentinian legend Lionel Messi made World Cup history, becoming the tournament's joint all-time leading scorer in his sixth World Cup, also a record.
Norway put four in against Iraq who managed a single goal, as Erling Haaland made his mark on the tournament.
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Austria defeat Jordan
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Austria won a World Cup match for the first time in 36 years with a 3-1 over a Jordan team on debut, in a match described as "too intense".
An own goal from a corner kick that deflected off Jordanian defender Yazan Al Arab gave Austria a 2-1 lead in the 76th minute. Veteran striker Marko Arnautovic’s penalty kick deep in stoppage team extended the margin.
"This was a very intense evening, sometimes a little too intense," Austria coach Ralf Rangnick said. “Jordan did an amazing job and made it very difficult for us. At the end of the day, we deserved to win but it was very difficult."
Argentina's amazing opener against Algeria
Messi scored a hat-trick in the match against Algeria, guiding Argentina to a 3-0 victory in their World Cup Group J clash in Kansas City on Wednesday.
He scored the first goal in the 17th-minute, from the edge of the penalty area. The next came an hour into the match, and the final in the 76th-minute — sweeping into the corner of the net.

The 38-year-old now has 16 World Cup goals under his belt, equalling the record held by Miroslav Klose of Germany.
"My tears after the first goal? I’ve had some tough days. It wasn’t related to football. And those feelings were because of that,” Messi said afterwards, without elaborating. "I thank my teammates, the coaching staff and the delegation for helping me."
Messi scored that emotional first goal in the opening minutes from a nifty pass by Inter Miami teammate Rodrigo De Paul. His second goal came after he nipped in to slot home after the Algerian goalkeeper spilled a long-range shot from midfielder Alex Mac Allister and the third was a crisp strike from the edge of the area.
The 2022 World Cup winner was subbed off in the 80th minute to a standing ovation from a heavily pro-Argentina crowd of 69,045.
Norway wins 4-1 against Iraq
Norway striker Erling Haaland scored twice in his World Cup debut as he guided his side to a 4-1 victory over Iraq in their Group I match on Wednesday.
Haaland's goals came in the 29th and 43rd minutes. For his first, he steered home a low cross at the back post. His second came after he charged down an underhit backpass, and the Iraqi goalkeeper's attempted clearance cannoned off his leg and into the net from a few metres out.
"It was not easy to be a debutant, you're nervous, and to win on a not-so-good day is great," Haaland told reporters.
"To win 4-1 on an average day is absolutely huge for all of us. It's fantastic, and I'm proud of all of us."
Iraq was making a return to the World Cup after a 40-year absence, with Graham Arnold's team securing its place in the tournament after a 2-1 win over Bolivia in March's intercontinental playoff.
Aymen Hussein equalised for Iraq with a nicely placed header in the 39th minute, but Haaland's second came a few minutes later and in the second half the Norwegians were too strong.
Norway struck again in the 76th minute, sealing their win with substitute Leo Østigård's glancing header, before under-pressure Hussein scored an own goal deep into stoppage time.
"I think three points will get you through to the next phase," Iraq coach Graham Arnold said.

"We got two more games to go. You know, I thought the boys did exceptionally well in the first half, but ... a couple of mistakes hurt us badly.
"But what a great occasion this has been for Iraq and so many fans here. So, it's a special night."
Iraq became the first team in the Asian confederation to lose a match in this tournament.
The Norwegians next play Senegal, who lost against France early on Wednesday.
France defeats Senegal
French captain Kylian Mbappé became the country's greatest goalscorer as his side beat Senegal 3-1 in their Group I match.
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The Real Madrid forward struck twice, his second a long-range screamer.
His 66th-minute first goal, which he steered home on the turn after a lovely through ball from Michael Olise, broke the France goalscoring record, with Mbappé's 58th goal putting him one ahead of previous record holder Olivier Giroud.
Bradley Barcola added a second for France in the 66th minute before Ibrahim Mbaye hauled one back for Senegal in the fifth minute of stoppage time.
But Mbappé wasn't finished, sealing the victory with a wonder strike from well outside the box a minute later.

The double moved Mbappé to 14 World Cup goals, taking him past French legend Just Fontaine and level with Germany's Gerd Müller, two behind record holders Messi and Klose.
"I play to leave a mark on my country's history and to help my team win the World Cup," Mbappé told reporters.
"I don't think we're fully up and running yet. But it's always good to start a tournament with a win. It gives you a bit more peace of mind, even though you're never really relaxed at a World Cup."
Senegal had started with far greater intensity and gave France early problems through Nicolas Jackson and Ismaila Sarr, while Deschamps' side struggled to find rhythm despite dominating possession.
Jackson almost opened the scoring after a lightning counter-attack down the left, driving into the box and firing a low shot against the post before the ball ricocheted off goalkeeper Mike Maignan's heel and went out for a corner.
— With additional reporting by Reuters.
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