Next Sunday, Palm Sunday, begins our Holy Week. This history of Palm Sunday is very interesting.
“Library : History of Palm Sunday | Catholic Culture
As soon as the Church obtained her freedom in the fourth century, the faithful in Jerusalem re-enacted the solemn entry of Christ into their city on the Sunday before Easter, holding a procession in which they carried branches and sang the Hosanna (Matthew 21, 1-11). In the early Latin Church, people attending Mass on this Sunday would hold aloft twigs of olives, which were not, however, blessed in those days.” To read more, go to: https://www.catholicculture.org/culture/library/view.cfm?recnum=105