Republic Day, known as 'Dia da República' in Portuguese, is a significant holiday in Brazil. It is celebrated annually on November 15th, commemorating the day in 1889 when Brazil's status shifted from being an empire under Dom Pedro II's rule to a republic. This transformation was prompted by a military coup, known as the Proclamation of the Republic.

This national holiday serves as a reminder of the country's choice for a republican form of government instead of a monarchical system. It symbolizes Brazil’s freedom and symbolizes the power of the people. Brazilian cities celebrate the holiday with various events such as parades, concerts, and fireworks. Schools and public institutions are generally closed to mark the occasion.

Despite being a national holiday, Republic Day is often observed with low-key celebrations compared to other significant Brazilian holidays, like Independence Day or Carnival. Even so, it is a day for Brazilians to reflect on their political history and the journey their nation has undertaken towards establishing itself as a republic. Indeed, Republic Day stands as a testament to the resilience and determination of the Brazilian people in their pursuit of democratic governance.