The Music Hall in New York City (later known as <a href="https://en.wikipedia.org/wiki/Carnegie_Hall" id="mwnA" rel="mw:WikiLink" title="Carnegie Hall">Carnegie Hall</a>) has its grand opening and first public performance, with <a href="https://en.wikipedia.org/wiki/Pyotr_Ilyich_Tchaikovsky" id="mwnQ" rel="mw:WikiLink" title="Pyotr Ilyich Tchaikovsky">Tchaikovsky</a> as the guest conductor.