Saturday 4 November 2017 is a date that will live long in the memory of Hamburg's rising star Jann-Fiete Arp, as the 17-year-old fired in his first goal at the Volksparkstadion in HSV's 3-1 win over Stuttgart.
Hamburg already knew they had a special talent on their hands following Arp's incredible performance at the UEFA European Under-17 Championship in May, where he captained Germany to the semi-final stage and scored seven goals in five games, including hat-tricks against Bosnia and Herzegovina and the Republic of Ireland.
The young striker has continued to go from strength to strength, and made history at the end of September by becoming the first player born in the 2000s to feature in the Bundesliga. A first top-flight goal followed in the 2-1 defeat to Hertha Berlin on Matchday 10, before the HSV youth product netted on home soil for the first time in that all-important Matchday 11 victory over Stuttgart.
Watch: Arp's historic goal against Stuttgart
"It was an explosion for me too," Arp told bundesliga.com, when describing the tension in the stadium just before his goal. "Winning 3-1 was the icing on the cake, but the goal was a huge release for everyone in the stands, and even for the players on the pitch. The moment was unbeatable. It was the most awesome moment of my career."
Winner of this year's prestigious Fritz Walter gold medal for the best German player at U-17 level, Arp has made a rapid rise through the ranks, and after bursting onto the Bundesliga scene the next step will surely be a first professional contract with the Red Shorts.
"I'm not yet physically ready for the world of professional football," he acknowledged. "But I'm working on that right now. It's also a question of confidence. The more you train and experience success, the more confident you become. My self-confidence is growing a lot and I'm happy about that. At certain points I feel like I'm playing with the same freedom as in the U-19s."
Arp, who was born around 31 miles north of Hamburg in Bad Segeberg, says he still has to pinch himself when he makes his way out onto the Volkparkstadion pitch, seeing that it wasn't all that long ago that Fiete, as he prefers to be called, was cheering HSV on from the stands himself.
"I thought that before the Stuttgart game," he said. "I remember being up in the north stand myself, years ago, dreaming of moments like scoring that goal. That's what all the hard work is for. Celebrating with the north stand after such an important win was beyond words."
Watch: Arp's goal-scoring Bundesliga debut
Arp's statistics this season must be making for very happy reading for Hamburg's top brass. As well as his two goals in six Bundesliga outings, he has netted no fewer than seven times in three games for the U-19s. As the hype surrounding him continues to grow, Germany's hottest young prospect is simply trying to keep his feet on the ground.
"What's happening around me right now is almost scary," he confided. "I'm trying to fade into the background and just focus on what matters at the weekend, because the distractions won't help me if we're not performing. I think the guys in the team are good at helping me chill out, and making sure I'm relaxed."
He's a 17-year-old goal machine with a maturity beyond his years. Watch out football: here comes Jann-Fiete Arp.