Ireland boss Andy Farrell hailed the "astonishing" attitude of his players after they halted France's winning run and stretched their own streak to a record 13 consecutive home victories.
France had won 14 on the bounce before arriving in Dublin, but they went down 32-19 at the Aviva Stadium, with the hosts bagging a bonus point after tries from Hugo Keenan, James Lowe, Andrew Porter and Garry Ringrose.
It was a performance that showed why many made Ireland favourites for the title from the get-go, as they followed up victory over Wales last weekend with another impressive display.
They head the world rankings and showed that standing is merited, with Farrell delighted, albeit saying he felt Ireland should perhaps have won by a heavier margin. All the same, the 13-point cushion was the most Ireland have beaten France by in the championship since a 25-6 success in March 1975.
Farrell told ITV: "It was a huge game and rightly so it was billed that way, because it was two great teams going at it, with the French unbeaten record and us going for our home record.
"It all gets thrown into the pot, but at the end of the day it's a victory in the competition we want to do well at, and we'll look at that performance and be unbelievably proud of it.
"The fight and the spirit that we had was astonishing at times, especially in that last 10 minutes.
"Garry Ringrose's try, he was dead on his feet, and then Bundee Aki coming back and dropping on loose balls and James Ryan kept getting up off the floor and taking the ball in for us. I could keep going on."
Farrell added: "The fighting spirit was great, but at the same time I thought we played some good stuff in the first half and should have come away with a few more points, and maybe again in the second half we should have come away with a few more points.
"That's not being greedy, because we got a bonus point, so we've got to be very happy with that, but at the same time we left a few things out there.
"So we're onto the next one, and it's Italy away and the same points are up for grabs."
Farrell was delighted Ireland got to 13 wins in a row at home for the first time, and doing so against a France side he rates so highly was doubly pleasing.
It was his first win over France, who had beaten Ireland in their most recent three encounters, and Farrell said: "I'm sure there'll be many battles down the line as well."
Keenan got Ireland's opening try, bursting through a hole in the French defence, but it was Lowe's score that particularly caught the eye.
He dived over in the corner, with most of his body in touch, and replays appeared to indicate it was a legitimate score after TMO checks.
It was a moment of acrobatic brilliance at high speed. Subsequent angles appeared to hint Lowe may have grazed the grass outside the playing area with a boot, but the try stood.
"He's useful out on that wing, the big lump," said Keenan. "It's brilliant for him and a great team performance."
Delighted to see off Les Bleus, Keenan added: "It was a long time coming. We've had a few tough losses and learnt from those. It was the one we were focusing on, so it's brilliant we got there."
Steward and Van Poortvleit among England changes for Springboks Test
Freddie Steward and Jack van Poortvliet will return for England on Saturday, with Steve Borthwick making four changes against South Africa.
England were unchanged for their narrow defeats against New Zealand and Australia, but the Leicester pair, who were not included in the squad for either of those matches, come straight in to replace George Furbank and Ben Spencer.
Ollie Sleightholme scored his first international tries in the defeat to Australia and is rewarded with a maiden Test start in place of Immanuel Feyi-Waboso, while Sam Underhill comes in for Tom Curry, with both players missing due to head injuries.
England have lost each of their last four Test matches, their longest such run since losing five straight games in 2018.
"We're excited to challenge ourselves against the world's top-ranked team and back-to-back Rugby World Cup champions," Borthwick said.
"Test matches against South Africa are always thrilling contests, and I'm sure Saturday will be no exception."
Meanwhile, South Africa have made 12 changes to their starting XV from their 32-15 win over Scotland on Sunday.
Captain Siya Kolisi and Pieter-Steph du Toit return in the back row, while Cheslin Kobe is also named in the side.
The world champions have got a more balanced look to their bench this time around though, with coach Rassie Erasmus opting not to name seven forwards among the replacements this time around.
England squad in full:
Freddie Steward, Tommy Freeman, Ollie Lawrence, Henry Slade, Ollie Sleightholme, Marcus Smith, Jack van Poortvliet, Ellis Genge, Jamie George (captain), Will Stuart, Maro Itoje, George Martin, Chandler Cunningham-South, Sam Underhill, Ben Earl.
Replacements: Luke Cowan-Dickie, Fin Baxter, Dan Cole, Nick Isiekwe, Alex Dombrandt, Harry Randall, George Ford, Tom Roebuck.
South Africa squad in full:
Alphelele Fassi, Cheslin Kolbe, Jesse Kriel, Damian De Allende, Kurt-Lee Arendse, Maine Libbok, Grant Williams, Ox Nche, Bongi Mbonambi, Wilco Loux, Eben Etzebeth, RG Snyman, Siya Kolisi (captain), Pieter-Steph Du Toit, Jasper Wiese.
Replacements: Malcolm Marx, Gerhard Steenekamp, Vincent Koch, Elrigh Louw, Kwagga Smith, Cobus Reinach, Handre Pollard, Lukhanyo Am.
Australia 0-0 Saudi Arabia: Visitors denied last-gasp winner on Renard's return
Saudi Arabia had a stoppage-time goal ruled out as Herve Renard's first game since returning as Saudi Arabia head coach ended in a 0-0 draw against Australia in World Cup qualifying.
Sultan Al-Ghannam fired through a sea of bodies in the 94th minute of Thursday's Group C contest at AAMI Park, but the celebrations were cut short due to an offside infringement.
Referee Ali Saeed Al Naqbi had earlier irked the home side by awarding a 12th-minute penalty for an Ahmed Al-Kassar challenge on Mitch Duke, which was then overturned.
Replays showed the incident happened just outside the box, but Australia felt the Saudi keeper should have been sent off and not issued just a yellow card.
Joe Gauci pulled off a fine double save later in the first half, albeit the offside flag later went up, but it was Australia who did more to win the game prior to the late drama.
Brandon Borrello was played clean through on goal and opted to square to Riley McGree, who was unable to help the ball past covering defender Saud Abdulhamid in front of goal.
Data Debrief: Another blank for both sides
Australia entered this game without a goal against Saudi Arabia in 2,716 days - a run that will extend for a little while longer after this latest blank.
The Socceroos have failed to score in three of their five third-round qualifying games, while Saudi Arabia have gone three in a row without netting.
Tony Popovic's side will justifiably argue they did more to win the game, though, finishing with an expected goals value (xG) of 1.31 to Saudi Arabia's 0.05, but the teams remain locked on points in Group C.
Carsley focusing on positives after nine England drop-outs
Lee Carsley wants the England players at his disposal to "make the most of the situation" after nine others dropped out through injury.
Everton defender Jarrad Branthwaite on Wednesday became latest player to withdraw from the Nations League games with Greece and Republic of Ireland.
Trent Alexander-Arnold, Cole Palmer, Phil Foden, Jack Grealish, Bukayo Saka, Declan Rice, Aaron Ramsdale and Levi Colwill have also dropped out.
England captain Harry Kane has admitted to being unhappy with the large number of withdrawals for interim boss Carsley's final two games in charge.
However, Carsley attempted to put a positive spin on the situation when speaking at his pre-match press conference on Wednesday ahead of facing Greece.
"The focus all camp has been on the players that are here and it's important that we make the most of the situation," he told reporters.
"With the amount of players that have pulled out, it gives other players an opportunity to be here.
"We're really looking forward to the game and it's going to be a tough test for us and the focus has been purely on the players that are here.
"With the amount of pull-outs we've had in the window, historically it's been like that in the past - November has always been a challenging window.
"But the culture that Gareth [Southgate], Steve [Holland] and the rest of the lads created has made it a really positive environment and the players that are here thoroughly deserve to be here."
Grealish was one of the first players to withdraw from the squad, having been called up despite not playing for club side Manchester City since 20 October.
City boss Pep Guardiola questioned England's decision to include Grealish in their squad as he recovers from injury, but Carsley insisted he was justified in doing so.
"The medical teams are constantly talking throughout squad selection, regardless of whether there are games or not," Carsley said.
"We are constantly getting updates. The medical departments have brilliant communication between club and country.
"It was always the case we were going to get the players who were potentially going to miss out in to the assessed. Jack was one of them. He was assessed and sent back and it was as clear as that."
England trail Group B2 leaders Greece by three points with two rounds of fixtures to play, having lost the reverse fixture 2-1 at Wembley last month.
The Three Lions have won on all four of their previous trips to face Greece, doing so by an aggregate score of 9-1 - only against Luxembourg (5/5) do they hold a better 100% win rate away from home.
However, Greece are on the longest active winning run of any European nation in all competitions (five games) and could win six consecutive matches for the first time November 2013.
Carsley, who will step aside for Thomas Tuchel after next week's home match with Republic of Ireland, said: "We're expecting a tough game against Greece and it’s one we have to win.
"But we're really looking forward to it, we've had a good week's training, the players are in good spirits and it's going to be a sell out with a great atmosphere.
"We've had to wait four or five weeks for this, but this next window is so important to us, not just tomorrow but Republic of Ireland as well, so it's a great challenge for us."
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