The solemnity of San Pedro y San Pablo on June 29 commemorates the martyrdom of two foundational apostles.
San Pedro, the first Pope, was crucified head down, while San Pablo was beheaded as a Roman citizen.
The date is also celebrated as the Day of the Pope, focusing on prayers for the current leader of the Church.
Celebrations take place worldwide, with major events held in Rome and local parishes, such as in San Telmo, Buenos Aires.