Game concept · The Royal Court
Court Event
The game also links it as Court Events.
From the game's encyclopedia
A Court Event is an event involving the members of your Court, they are viewable in the Royal Court.
The game's text for patch 1.20.1.2. Words in blue are entries of the encyclopedia: hover one to read it, as in the game.
Court Event is an entry of Crusader Kings III's in-game encyclopedia (The Royal Court). The game explains it: "A Court Event is an event involving the members of your Court, they are viewable in the Royal Court." It is part of Royal Court. The game also links it as Court Events. Patch 1.20.1.2, from game/common/game_concepts/01_ep1_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.
Source: game/common/game_concepts/01_ep1_game_concepts.txt, game/localization/english/game_concepts_l_english.yml and the English localisation, Crusader Kings III 1.20.1.2.