The organizer of the event is the Dutch Stem Voor movement, which holds a campaign to ‘vote in favor’ of the agreement.
The name of the event ‘Maidam’ is a combination of names of the Dutch Dam Square and the Ukrainian Maidan square.
Participants in the event were also Dutch Defense Minister Jeanine Hennis-Plasschaert, Minister of Foreign Affairs Bert Koenders, Chairman of Dutch employers' federation VNO-NCW Hans de Boer, leaders of political parties, Dutch and Ukrainian activists. They called on people to support of the EU-Ukraine association agreement at the referendum.
Ukrainian Foreign Minister Pavlo Klimkin was a quest of the event.