Two months earlier, the institution of the Eucharist at the Last Supper is observed on Maundy Thursday in a sombre atmosphere leading to Good Friday.

The liturgy on that day also commemorates Christ's washing of the disciples' feet, the institution of the priesthood, and the agony in the Garden of Gethsemane.

the pontiff, then living in Orvieto, established the feast of Corpus Christi as a Solemnity and extended it to the whole Roman Catholic Church.

[7] A notable Eucharistic procession is that presided over by the Pope each year in Rome, where it begins at the Archbasilica of St. John Lateran and passes to the Basilica of Saint Mary Major, where it concludes with the aforementioned Benediction.

Corpus Christi wreaths, which are made of flowers, are hung on the doors and windows of the Christian faithful, in addition to being erected in gardens and fields.

Orphaned at the age of five, she and her sister Agnes were entrusted to the care of the Augustinian nuns at the convent and leprosarium of Mont-Cornillon, where Juliana developed a special veneration for the Blessed Sacrament.

Her vita reports that this desire was enhanced by a vision of the church under the appearance of the full moon having one dark spot, which signified the absence of such a solemnity.

[17] Jacques Pantaléon of Troyes was also won over to the cause of the Feast of Corpus Christi during his ministry as Archdeacon in Liège under the diocesan bishop Robert of Thourotte.

It was he who, having become Pope as Urban IV in 1264, instituted the Solemnity of Corpus Christi on the Thursday after Pentecost as a feast for the entire Latin Church, by the papal bull Transiturus de hoc mundo.

[10][17] The legend that this act was inspired by a procession to Orvieto in 1263, after a priest Peter of Prague[18] and his congregation witnessed a Eucharistic miracle of a bleeding consecrated host at Bolsena,[16] has been called into question by scholars who note problems in the dating of the miracle, whose tradition begins in the 14th century, and the interests of Urban IV, a former Archdeacon in Liège.

[citation needed] Though this was the first papally imposed universal feast for the Latin Church,[19] it was not widely celebrated for half a century.

From 1849 until 1969, a separate Feast of the Most Precious Blood of Our Lord Jesus Christ was assigned originally to the first Sunday in July, later to the first day of the month.

The archbishop celebrates a mid-afternoon Mass at the Shrine of the Blessed Sacrament in Santa Cruz before presiding over a procession to the Manila Cathedral.

McCausland's Order of Divine Service, the most commonly used ordo in the Anglican Church of Canada, provides lections for the day.

[43] After the Union of Brest, Ruthenian Greek Catholics gained access to educational institutions in Rome, and became familiar with Italo-Byzantine feast of the Holy and Immaculate Body and Blood of our Lord Jesus Christ.

This liturgical tradition became the foundation of adopting this feast in Ukrainian Greek Catholic Church, having the Italo-Greek texts as its core, and adding some new proper compositions.

[7] Corpus Christi wreaths and bouquets are often "attached to flags and banners, to houses, and to the arches of green boughs that span the streets.

[7] Corpus Christi wreaths are also "put up in gardens, fields, and pastures, with a prayer for protection and blessing upon the growing harvest.

"[7] Throughout Christendom, "the custom developed of carrying the Blessed Sacrament in a splendid procession through the town after the Mass on Corpus Christi Day.

"[7] Along the route in which the procession occurs, Christian homes "are decorated with little birch trees and green boughs", with candles being lit in the windows.

The plays in York, England, were performed on Corpus Christi Day for some 200 years until their suppression in the sixteenth century during the Protestant Reformation.

[55] In the southern highlands of the Cusco Region of Peru, the festival of Quyllurit'i is held near Corpus Christi in the Sinaqara Valley.

Culminating on Trinity Sunday, this festival marks the return in the sky of the Pleiades constellation, known in the Quechua language as Qullqa, or "storehouse", as it is associated with the upcoming harvest and New Year.

The festival precedes the official feast of Corpus Christi, held the Thursday following Trinity Sunday, but it is closely associated with it.

In Spycimierz in central Poland (Gmina Uniejów), parishioners arrange a carpet of live flowers about one kilometre long.

Flower carpets tradition for Corpus Christi processions was inscribed on the UNESCO Representative List of the Intangible Cultural Heritage of Humanity in 2021.

[citation needed] In the village of Castrillo de Murcia near Burgos, the celebration includes the practice of El Colacho (baby jumping).

It was declared a Traditional Festival of National Interest by the Generalitat de Catalunya in 1983, and as a Masterpiece of the Oral and Intangible Heritage of Humanity by UNESCO in 2005.