[1] Relations are important as part of global interfaith dialogue, because Indonesia has the world's largest Muslim-majority population.

Between 1318 and 1330 CE, Mattiussi, a Franciscan friar, visited several places in today's Indonesia: Sumatra, Java, and Borneo.

[5] In his report, he described the marvelous palace of the Javanese King and the war with the Great Khan of China.

[6] During the colonial era of the Dutch East Indies, some parts of Indonesia, such as Flores, were known as Catholic-majority areas.

During his visit, Pope John Paul II celebrated a Mass and addressed a crowd of 130,000 Indonesian Catholics congregated in Gelora Bung Karno Stadium.