In 1910, Pope Pius X issued the decree Quam singulari, which changed the age at which First Communion is taken to 7 years old, due to the case of Ellen Organ.
In other communities, girls commonly wear dresses passed down to them from sisters or mothers, or even simply their school uniforms with the veil or wreath.
Boys may wear a suit and tie, tuxedo, their Sunday best, or national dress, with embroidered armbands worn on the left arm and occasionally white gloves.
In many Latin American countries, boys wear military-style dress uniforms with gold braid aiguillettes.
In Switzerland, both boys and girls wear plain white robes with brown wooden crosses around their necks.
In Spain, Germany, Luxembourg, Austria, and Guam, girls are dressed up as brides, although this has been partly replaced by albs in recent times.