inaugural
the first formal speech given by a new leader, such as a president, when they begin their term of office
a formal speech given to mark the beginning of something, such as a new leader's term or a new institution
a formal event to mark the beginning of a leader's term of office or the opening of a significant new public building or organization
the very first season of a new sports league, team, television series, or theatrical production
the very first event in a series or the first event held by a new organization or at a new venue
the very first meeting of a new committee, council, or organization
the first official meeting period of a parliament, congress, or other legislative body after an election
the first lecture given by a professor upon being appointed to a new position at a university
the first conference of a new series or for a newly formed association
a parade held as part of the celebrations for the inauguration of a new president or leader
the first concert in a series or festival, or the first performance in a new concert hall
the celebrations and events marking the start of a leader's term or a major new undertaking