Real Madrid beat Copenhagen 2-0 in their visit to Parken Stadium and stretched their unbeaten streak to six games in this year's UEFA Champions League .
It was a particularly special game for Los Blancos. They grabbed their 800th goal in the history of the tournament, their 20th in the group stage—a record set by Manchester United (1998-9999) and Barcelona (2011-2012)—and set an all-time record in European competitions by scoring in 31 successive games.
Cristiano Ronaldo also became the first player to score nine goals in the group stage of the tournament.
Here are six lessons from this historic match.