Question: What mystery play can be dated back to medieval theater in the early 15th century?

Context paragraphs:
Crucifixion (van Eyck): Crucifixion is a recently discovered early 15th century drawing of the death of Jesus now attributed to Jan van Eyck or his workshop.  It is variously dated to the early 1430s, implying an original van Eyck, or c. 1440, making it a pastiche by a workshop member after Jan's death.  The only other known van Eyck drawing is the "Study for Cardinal Niccolò Albergati" if you exclude the 1437 "Saint Barbara" as an unfinished painting, although there are similarities between the two; especially in it's perspective, the angel of the viewer's point of view, and the shadings of the rock formations.  The quality of draftsmanship is of the first rate, and it is perhaps the most elaborate and complex surviving drawing from the 16th century.

Medieval theatre: Medieval theatre refers to theatrical performance in the period between the fall of the Western Roman Empire in the 5th century A.D. and the beginning of the Renaissance in approximately the 15th century A.D. Medieval Theatre covers all drama produced in Europe over that thousand-year period and refers to a variety of genres, including liturgical drama, mystery plays, morality plays, farces and masques. Beginning with Hrosvitha of Gandersheim in the 10th century, Medieval drama was for the most part very religious and moral in its themes, staging and traditions.  The most famous examples of Medieval plays are the English cycle dramas, the York Mystery Plays, the Chester Mystery Plays, the Wakefield Mystery Plays and the N-Town Plays, as well as the morality play, "Everyman".  One of the earliest surviving secular plays in English is "The Interlude of the Student and the Girl" (c. 1300).

Chester Mystery Plays: The Chester Mystery Plays is a cycle of mystery plays dating back to at least the early part of the 15th century.

MacMhuirich bardic family: The MacMhuirich bardic family, known in Scottish Gaelic as Clann MacMhuirich and Clann Mhuirich, was a prominent family of bards and other professionals in 15th to 18th centuries.  The family was centred in the Hebrides, and claimed descent from a 13th-century Irish bard who, according to legend, was exiled to Scotland.  The family was at first chiefly employed by the Lords of the Isles as poets, lawyers, and physicians.  With the fall of the Lordship of the Isles in the 15th century, the family was chiefly employed by the chiefs of the MacDonalds of Clanranald.  Members of the family were also recorded as musicians in the early 16th century, and as clergymen possibly as early as the early 15th century.

Trumpet: A trumpet is a blown musical instrument commonly used in classical and jazz ensembles.  The trumpet group contains the instruments with the highest register in the brass family.  Trumpet-like instruments have historically been used as signaling devices in battle or hunting, with examples dating back to at least 1500 BC; they began to be used as musical instruments only in the late 14th or early 15th century.  Trumpets, which are blow horns are used in art music styles, for instance in orchestras, concert bands, and jazz ensembles, as well as in popular music.  They are played by blowing air through nearly-closed lips (called the player's embouchure), producing a "buzzing" sound that starts a standing wave vibration in the air column inside the instrument.  Since the late 15th century they have primarily been constructed of brass tubing, usually bent twice into a rounded rectangular shape.

Pogorzela: Pogorzela is first mentioned in the early 15th century when the town was owned by Wczelów-Pogorzelskich.  It is notable as the birthplace of Preczlaw of Pogarell a medieval Roman Catholic Bishop of Wrocław.  In the 16th century the town became a center of Lutheranism, and in the 18th century became a centre of light industries.

Blackwater Castle: Blackwater Castle (Castle Widenham) is a privately owned estate located in the village of Castletownroche between the towns of Mallow and Fermoy in North Cork, Ireland, and since 2005 is available to rent as a private hire venue for castle weddings and private parties along with castle rentals for vacations.  The castle comprises one of the oldest occupied castles in Ireland as parts of the residential section date back to the early 15th century while the castle structure itself dates back to the 12th century.  A round tower on the eastern end of the Castle dating from the late 12th century is still standing although no longer accessible.  The castle was constructed on the ancient fortress of Dun Cruadha, an inland promontory fort dating back to the late Bronze Age/early Iron Age, while the site itself was first occupied back in the Mesolithic age (circa 9,000 years ago) as evidenced by the flint scatter found at Kilcummer and the caves on the south bank of the River Awbeg making this site one of the earliest known settlements in Ireland.

Jaume Roig: Jaume Roig (early 15th century, València - April 1478, Benimàmet) was a doctor in the city of València and the author of "Espill" (Mirror), a work of medieval literature in the Catalan language.  Together with Ausiàs March, and Isabel de Villena, Jaume Roig is one of the three writers chosen by Henry W. Longfellow to summarise the literature of the 15th century in the Catalan language.

Elisaeus Adougan: Elisaeus Adougan was a late 14th century and early 15th century Scottish cleric.  His name has been said to have occurred for the first time in a papal letter datable to 25 November 1390, but this letter is simply a repetition of another addressed to him, dated 2 August that year; both letters address him as the rector of the parish church of Kirkmahoe, and authorise him to take up the position of provost of the Collegiate Church of Lincluden providing he resigned Kirkmahoe within a period of two years.

History of watches: The history of watches began in 16th century Europe, where watches evolved from portable spring-driven clocks, which first appeared in the 15th century.  Portable timepieces were made possible by the invention of the mainspring in the early 15th century.  Nuremberg clockmaker Peter Henlein (or Henle or Hele) (1485-1542) is often credited as the inventor of the watch.  He was one of the first German craftsman who made "clock-watches" ("taschenuhr"), ornamental timepieces worn as pendants, which were the first timepieces to be worn on the body.  His fame is based on a passage by Johann Cochläus in 1511:

Supporting paragraphs: Medieval theatre Chester Mystery Plays
Answer: The Chester Mystery Plays