Dashed left edge = started before January 1300 ·
Dashed right edge = ongoing beyond January 1300
Events in January 1300 1
1300 – 1377Guillaume de MachautFrench composer and poet of Ars NovaGuillaume de Machaut was the leading composer and poet of the Ars Nova period. His Messe de Nostre Dame is the earliest known complete polyphonic mass setting by a single composer.