The event takes places at the Philharmonie in Kirchberg on Sunday 23 June starting at 10am, according to a government press release. Members of the royal family, cabinet ministers, MPs, members of the Council of State, judges, municipal councilors and diplomats will attend.

Public passes are first-come, first-serve, and space is limited, the government said.

Registration via the government’s website opens on Tuesday 4 June at 9am.