The Royal Guard of the Archers (Portuguese: Guarda Real dos Archeiros) was the palace guard of the Portuguese Monarchs from the 16th century until the end of the monarchy in Portugal in 1910. Its members were armed with halberds, the Guard being also known as the Royal Guard of the Halberdiers (Portuguese: Guarda Real dos Alabardeiros). The Royal Guard of the Archers was mainly a ceremonial guard. The security of the Monarchs and the Royal Family was mainly entrusted to regular Army units, some elite regiments being especially chosen of this function.