1. The official start or beginning of an organized campaign, such as a political, marketing, or military campaign
The campaign commencement was marked by a large rally downtown.
O início da campanha foi marcado por um grande comício no centro da cidade.
2. The moment when a planned series of activities or operations is formally launched
The marketing team announced the campaign commencement for next Monday.
A equipe de marketing anunciou o início da campanha para próxima segunda-feira.