While the European centrist mainstream has been sidelined — EU Commission President Ursula von der Leyen has conspicuously not been invited — plenty of space has been afforded to far-right and nationalist politicians. British anti-EU populist Nigel Farage will be there, as will French firebrand Éric Zemmour, Belgium’s Tom Van Grieken, and former Polish Prime Minister Mateusz Morawiecki, who clashed with Brussels in a long rule-of law dispute.

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There is, however, a common ideological thread to his invitees: Many hail from the right or even the far-right of the political spectrum, or are leaders whom Trump has previously praised. In that sense, the inauguration reveals plenty about the political trajectory of his administration — and about who might have the president’s ear once he is installed at the White House.