Russia's women extended their dominance of sprints as Daria Shmeleva powered to the individual sprint gold medal in a final with Anastasiia Voinova (RUS), at the Sir Chris Hoy Velodrome, Emirates Arena.
In the women's elimination race, four-time Olympic champion Laura Kenny (GBR) coasted to the 12th European track cycling gold medal of her career.
Domenic Weinstein (GER) won his first gold at elite level as he held off the challenge of Portugal's Ivo Oliveira in the men's individual pursuit.
Claudio Imhof (SUI) continued his successful championships, adding bronze to his silver in the team pursuit and bronze in the omnium.
In the men's points race, Wojciech Pszczolarski (POL) broke from the peloton, monopolised the early sprint bonuses and lapped the bunch on four occasions on his way to an incredible 102 points and the gold medal.
Youngsters stole the show at the Tollcross International Swimming Centre.
Two teenagers and a 20-year-old won the three individual men's events, another teenager was in Britain's gold-medal relay team, and a 16-year-old Italian took bronze in a race in which he did not expect to swim.
Kristof Milak (HUN), who won four golds at the Junior World Championships last year, was inside Michael Phelps's nine-year-old world record at halfway in the 200m butterfly. Tamas Kenderesi (HUN) was second. Third place went to Italy's 16-year-old Alessandro Burdisso.
Great Britain won the relay ahead of Russia - who also had a teenager in their team - and Italy.
Alessandro Miressi (ITA) held off the home crowd's favourite Duncan Scott (GBR) and the Frenchman Mehdy Metella (FRA) in a tight finish to the men's 100m freestyle.
Florian Wellbrock (GER) was a surprise winner of the men's 1500m, in which the Italian favourite Gregorio Paltrinieri (ITA) finished only third.
The two women's winners were veterans as 27-year-old Georgia Davies (GBR) won the 50m backstroke and Yuliya Efimova (RUS) took the 100m breaststroke. That gold for Efimova, 26, kept Russia top of the medals table.
Italy's Marta Bastianelli ended Dutch dominance of women's cycling road race title with a perfectly timed sprint finish.
She only led the 130km race for the final few hundred metres, but saw off defending champion Marianne Vos (NED).
Germany's Lisa Brennauer took the bronze medal less than 24 hours after winning the individual pursuit title at the Sir Chris Hoy Velodrome, Emirates Arena, to take her medal tally in Glasgow to three.
Belgium emerged as the most successful nation in the women's Gymnastics apparatus finals at the SSE Hydro.
But Russia's Angelina Melnikova (RUS) pushed them all the way after qualifying for three of the finals.
Nina Derwael (BEL) won gold on uneven bars, defending the title she won last year, and then within the hour won a silver medal on balance beam.
In the floor exercise, her team-mate Axelle Klinckaert (BEL) won the bronze medal with a Harry Potter-themed routine.
The battle for gold on balance beam between 2016 Olympic champion Sanne Wevers (NED) and 2017 world champion Pauline Schaefer (GER) failed to materialise after the latter fell off the beam on her signature move, a half-twisting side somersault. It was Wevers who took the title, showing poise and elegance with her multitude of twists and turns.
The gold medal on vault was won by an emotional Boglarka Devai (HUN), who was the first to compete and had to wait for all the other gymnasts to vault before she knew she had won.
It was the opposite senario on floor - the last gymnast, Melanie De Jesus (FRA) stepped up and outperformed all the gymnasts who had gone before her to win gold.
Melnikova (RUS) won a silver medal on vault and a bronze on uneven bars, but was unable to defend her floor title.
Earler in the day, the juniors competed for the apparatus finals, which were dominated by Giorgia Villa (ITA) who won a gold on beam and silvers on vault and floor.
Great Britain's Amelie Morgan (GBR) was the next most successful, with a silver on beam and bronze medals on vault and floor.
The gold medal on vault was won by another Italian, Asia D'Amato (ITA), while the uneven bars gold was won by Kseniia Klimenko (RUS). The gold on floor was won by Ioana Stanciulescu (ROU).
Ukraine stepped out of Russia's shadow and topped the podium. Ukraine already have two silvers in the free team and technical duet and take home gold.
Italy, in a bid to ensure they took silver ahead of Spain, took a risk by starting their routine with a lift, holding a single athlete in a crab position, which they held until the start of the music, shortly followed by a double somersault lift. They pulled it off, impressing the judges with the high level of difficulty and scored more than Spain.
In the morning's free solo preliminary, Svetlana Kolesnichenko (RUS), finished top of the rankings and is strong favourite to win the gold medal in the final on Tuesday.
Romania's rowers Madalina Beres (ROU) and Denisa Tilvescu (ROU) won two gold medals in the women's pair and the women's eight. The Romanian men's four also won gold and Romanian silvers came from their men's double sculls crew and women's four, while the men's eight and men's pair both secured bronze.
Switzerland's women's single sculls world champion Jeannine Gmelin continued her unbroken streak of wins with another solid performance, getting her bows in front of a strong field by the 1000-metre mark. Magdalena Lobnig (AUT) came past Diana Dymchenko (UKR) to take silver.
Swiss lightweight men's single sculler Michael Schmid defended the title he won last year, leading throughout the race ahead of Martino Goretti (ITA).
Norway's Kjetil Borch took his first title in the single sculls after switching from racing the double sculls last season.
His medal followed the gold won by Are Strandli (NOR) and Kristoffer Brun (NOR) in the lightweight men's double sculls, ahead of Ireland and Italy.
The French men's double scullers, Matthieu Androdias and Hugo Boucheron, produced the best row of their careers to win gold.