diff --git a/src/data/propers/common/lauds-capitulum-annunciation.yml b/src/data/propers/common/lauds-capitulum-annunciation.yml
new file mode 100644
index 0000000..f0f4066
--- /dev/null
+++ b/src/data/propers/common/lauds-capitulum-annunciation.yml
@@ -0,0 +1,21 @@
+# Verified against Divinum Officium (Monastic Tridentinum 1617), Lauds
+# live query, 2026-03-25 (real fixed date, always winnable). Own proper
+# chapter (Isa 7:14-15, "Ecce virgo concípiet"). Lauds responsory and
+# both hours' hymns turn out byte-identical to Common-of-the-BVM's own
+# already-authored content, but both versicles ("Ave, María, grátia
+# plena") and the Vespers responsory ("Ángelus Dómini") are genuinely
+# her own, distinct from the Common's -- authored explicitly under her
+# own id rather than left to fall through (resolveOfficeBundle resolves
+# a whole bundle per id, not per part). Same chapter reused for Vespers
+# -- no separate vespers-capitulum-<id> file authored, per vespers.ts's
+# vespersCapitulumForOverride fallback.
+id: lauds-capitulum-annunciation
+text:
+  la: "Ecce virgo concípiet, et páriet fílium, et vocábitur nomen ejus Emmánuel. Butýrum et mel cómedet, ut sciat reprobáre malum, et elígere bonum."
+  en: "Behold a virgin shall conceive, and bear a son, and his name shall be called Emmanuel. He shall eat butter and honey, that he may know to refuse the evil, and to choose the good."
+citation:
+  la: "Isa 7:14-15"
+  en: "Isa 7:14-15"
+status:
+  la: verified
+  en: verified
diff --git a/src/data/propers/common/lauds-hymn-annunciation.yml b/src/data/propers/common/lauds-hymn-annunciation.yml
new file mode 100644
index 0000000..ba57ebd
--- /dev/null
+++ b/src/data/propers/common/lauds-hymn-annunciation.yml
@@ -0,0 +1,85 @@
+# Reused verbatim from Common-of-the-BVM's own Lauds hymn (2026-08-26):
+# live-verified byte-identical on the Annunciation's own real day
+# (2026-03-25). See lauds-capitulum-annunciation.yml's header.
+#
+# Verified against Divinum Officium (Monastic Tridentinum 1617), Lauds
+# `votive=C11` live query, 2026-08 -- see lauds-capitulum-common-of-the-
+# bvm.yml's header. "O gloriósa Dómina" -- the same pre-Urban VIII hymn
+# text already found for the Annunciation's own proper (a separate,
+# individually-imported saint, not this Common) -- a real, confirmed
+# overlap between the two, not a mix-up.
+id: lauds-hymn-annunciation
+text:
+  la: >-
+    O gloriósa Dómina,
+
+    Excélsa super sídera:
+
+    Qui te creávit, próvide
+
+    Lactásti sacro úbere.
+
+
+    Quod Heva tristis ábstulit,
+
+    Tu reddis almo gérmine:
+
+    Intrent ut astra flébiles,
+
+    Cæli fenéstra facta es.
+
+
+    Tu Regis alti jánua,
+
+    Et porta lucis fúlgida:
+
+    Vitam datam per Vírginem,
+
+    Gentes redémptæ, pláudite.
+
+
+    Glória tibi Dómine,
+
+    Qui natus es de Vírgine,
+
+    Cum Patre et Sancto Spíritu,
+
+    In sempitérna sǽcula. Amen.
+  en: >-
+    O glorious lady! throned on high
+
+    Above the star-illumined sky;
+
+    Thereto ordained, thy bosom lent
+
+    To thy Creator nourishment.
+
+
+    Through thy sweet offspring we receive
+
+    The bliss once lost through hapless Eve;
+
+    And heaven to mortals open lies
+
+    Now thou art portal of the skies.
+
+
+    Thou art the door of heaven's high King,
+
+    Light's gateway fair and glistering;
+
+    Life through a Virgin is restored;
+
+    Ye ransomed nations, praise the Lord!
+
+
+    All honour, laud, and glory be,
+
+    O Jesu, Virgin-born, to thee;
+
+    All glory, as is ever meet,
+
+    To Father and to Paraclete. Amen.
+status:
+  la: verified
+  en: verified
diff --git a/src/data/propers/common/lauds-responsory-annunciation.yml b/src/data/propers/common/lauds-responsory-annunciation.yml
new file mode 100644
index 0000000..1bad27d
--- /dev/null
+++ b/src/data/propers/common/lauds-responsory-annunciation.yml
@@ -0,0 +1,23 @@
+# Verified against Divinum Officium (Monastic Tridentinum 1617), Lauds
+# live query, 2026-03-25 -- byte-identical to Common-of-the-BVM's own
+# Lauds responsory, reused verbatim. See lauds-capitulum-annunciation.yml's
+# header.
+id: lauds-responsory-annunciation
+text:
+  la: |
+    R.br. Ave María, grátia plena, * Dóminus tecum.
+    ℟. Ave María, grátia plena, * Dóminus tecum.
+    ℣. Benedícta tu in muliéribus, et benedíctus fructus ventris tui.
+    ℟. Dóminus tecum.
+    ℣. Glória Patri, et Fílio, * et Spirítui Sancto.
+    ℟. Ave María, grátia plena, * Dóminus tecum.
+  en: |
+    R.br. Hail Mary full of grace, * the Lord is with thee.
+    ℟. Hail Mary full of grace, * the Lord is with thee.
+    ℣. Blessed art thou among women, and blessed is the fruit of thy womb.
+    ℟. The Lord is with thee.
+    ℣. Glory be to the Father, and to the Son, * and to the Holy Ghost.
+    ℟. Hail Mary full of grace, * the Lord is with thee.
+status:
+  la: verified
+  en: verified
diff --git a/src/data/propers/common/lauds-versicle-annunciation.yml b/src/data/propers/common/lauds-versicle-annunciation.yml
new file mode 100644
index 0000000..ed4e8d0
--- /dev/null
+++ b/src/data/propers/common/lauds-versicle-annunciation.yml
@@ -0,0 +1,15 @@
+# Verified against Divinum Officium (Monastic Tridentinum 1617), Lauds
+# live query, 2026-03-25 -- her own versicle, distinct from Common-of-
+# the-BVM's own ("Diffúsa est grátia"). Same versicle as Vespers -- see
+# vespers-versicle-annunciation.yml.
+id: lauds-versicle-annunciation
+text:
+  la: |
+    ℣. Ave, María, grátia plena.
+    ℟. Dóminus tecum.
+  en: |
+    ℣. Hail, Mary, full of grace.
+    ℟. The Lord is with thee.
+status:
+  la: verified
+  en: verified
diff --git a/src/data/propers/common/vespers-hymn-annunciation.yml b/src/data/propers/common/vespers-hymn-annunciation.yml
new file mode 100644
index 0000000..9d21363
--- /dev/null
+++ b/src/data/propers/common/vespers-hymn-annunciation.yml
@@ -0,0 +1,138 @@
+# Verified against Divinum Officium (Monastic Tridentinum 1617), Vespers
+# `votive=C11` live query, 2026-08 -- "Ave maris stella," the classic
+# Common-of-the-BVM Vespers hymn, genuinely distinct from the Lauds hymn
+# (unlike some other categories this session where the two hours shared
+# one hymn text) -- see lauds-capitulum-common-of-the-bvm.yml's header
+# for the fuller gap/sourcing writeup.
+# Reused verbatim from Common-of-the-BVM's own Vespers hymn (2026-08-26):
+# live-verified byte-identical on the Annunciation's own real day
+# (2026-03-25). See lauds-capitulum-annunciation.yml's header.
+id: vespers-hymn-annunciation
+text:
+  la: >-
+    Ave maris stella,
+
+    Dei Mater alma,
+
+    Atque semper Virgo,
+
+    Felix cæli porta.
+
+
+    Sumens illud Ave
+
+    Gabriélis ore,
+
+    Funda nos in pace,
+
+    Mutans Hevæ nomen.
+
+
+    Solve vincla reis,
+
+    Profer lumen cæcis,
+
+    Mala nostra pelle,
+
+    Bona cuncta posce.
+
+
+    Monstra te esse matrem,
+
+    Sumat per te preces,
+
+    Qui pro nobis natus,
+
+    Tulit esse tuus.
+
+
+    Virgo singuláris,
+
+    Inter omnes mitis,
+
+    Nos culpis solútos
+
+    Mites fac et castos.
+
+
+    Vitam præsta puram,
+
+    Iter para tutum,
+
+    Ut vidéntes Jesum,
+
+    Semper collætémur.
+
+
+    Sit laus Deo Patri,
+
+    Summo Christo decus,
+
+    Spirítui Sancto,
+
+    Tribus honor unus. Amen.
+  en: >-
+    Ave, star of ocean,
+
+    Child divine who barest,
+
+    Mother, ever-Virgin,
+
+    Heaven's portal fairest.
+
+
+    Taking that sweet Ave
+
+    Erst by Gabriel spoken,
+
+    Eva's name reversing,
+
+    Be of peace the token.
+
+
+    Break the sinners' fetters,
+
+    Light to blind restoring,
+
+    All our ills dispelling,
+
+    Every boon imploring.
+
+
+    Show thyself a mother
+
+    In thy supplication;
+
+    He will hear who chose thee
+
+    At his incarnation.
+
+
+    Maid all maids excelling,
+
+    Passing meek and lowly,
+
+    Win for sinners pardon,
+
+    Make us chaste and holy.
+
+
+    As we onward journey
+
+    Aid our weak endeavour,
+
+    Till we gaze on Jesus
+
+    And rejoice forever.
+
+
+    Father, Son, and Spirit,
+
+    Three in One confessing,
+
+    Give we equal glory
+
+    Equal praise and blessing. Amen.
+status:
+  la: verified
+  en: verified
diff --git a/src/data/propers/common/vespers-responsory-annunciation.yml b/src/data/propers/common/vespers-responsory-annunciation.yml
new file mode 100644
index 0000000..df2ee1c
--- /dev/null
+++ b/src/data/propers/common/vespers-responsory-annunciation.yml
@@ -0,0 +1,26 @@
+# Verified against Divinum Officium (Monastic Tridentinum 1617), Vespers
+# live query, 2026-03-25 -- her own proper responsory ("Ángelus Dómini *
+# Nuntiávit Maríæ," the opening line of the Angelus), distinct from
+# Common-of-the-BVM's own. No English rendering exists in the reference
+# engine for this text -- own translation of this well-known, standard
+# Angelus wording, marked draft. See lauds-capitulum-annunciation.yml's
+# header.
+id: vespers-responsory-annunciation
+text:
+  la: |
+    R.br. Ángelus Dómini * Nuntiávit Maríæ.
+    ℟. Ángelus Dómini * Nuntiávit Maríæ.
+    ℣. Et concépit de Spíritu Sancto.
+    ℟. Nuntiávit Maríæ.
+    ℣. Glória Patri, et Fílio, * et Spirítui Sancto.
+    ℟. Ángelus Dómini * Nuntiávit Maríæ.
+  en: |
+    R.br. The Angel of the Lord * declared unto Mary.
+    ℟. The Angel of the Lord * declared unto Mary.
+    ℣. And she conceived of the Holy Ghost.
+    ℟. Declared unto Mary.
+    ℣. Glory be to the Father, and to the Son, * and to the Holy Ghost.
+    ℟. The Angel of the Lord * declared unto Mary.
+status:
+  la: verified
+  en: draft
diff --git a/src/data/propers/common/vespers-versicle-annunciation.yml b/src/data/propers/common/vespers-versicle-annunciation.yml
new file mode 100644
index 0000000..c4c4196
--- /dev/null
+++ b/src/data/propers/common/vespers-versicle-annunciation.yml
@@ -0,0 +1,14 @@
+# Verified against Divinum Officium (Monastic Tridentinum 1617), Vespers
+# live query, 2026-03-25 -- same versicle as Lauds (see lauds-versicle-
+# annunciation.yml).
+id: vespers-versicle-annunciation
+text:
+  la: |
+    ℣. Ave, María, grátia plena.
+    ℟. Dóminus tecum.
+  en: |
+    ℣. Hail, Mary, full of grace.
+    ℟. The Lord is with thee.
+status:
+  la: verified
+  en: verified
diff --git a/tests/hours/lauds.test.ts b/tests/hours/lauds.test.ts
index b992f3b..021e31f 100644
--- a/tests/hours/lauds.test.ts
+++ b/tests/hours/lauds.test.ts
@@ -340,6 +340,17 @@ describe('resolveOrdo("lauds", ...)', () => {
     expect(hymn?.kind === 'hymn' ? hymn.text.text.la : undefined).toContain('Jesu, coróna Vírginum');
   });
 
+  it("resolves the Annunciation's own proper chapter, with Common-of-the-BVM's hymn", () => {
+    // Live-verified against Divinum Officium (Monastic Tridentinum
+    // 1617), 2026-03-25 (fixed date, always winnable). See lauds-
+    // capitulum-annunciation.yml's header.
+    const ordo = resolveOrdo('lauds', '2026-03-25');
+    const chapter = ordo.parts.find((p) => p.kind === 'chapter');
+    expect(chapter?.kind === 'chapter' ? chapter.text.citation?.en : undefined).toBe('Isa 7:14-15');
+    const hymn = ordo.parts.find((p) => p.kind === 'hymn');
+    expect(hymn?.kind === 'hymn' ? hymn.text.text.la : undefined).toContain('O gloriósa Dómina');
+  });
+
   it('includes the Kyrie + Our Father lead-in right after the Benedictus, before the day collect (either form)', () => {
     const ordo = resolveOrdo('lauds', FERIAL_TUESDAY);
     const litanyIndex = ordo.parts.findIndex((p) => p.kind === 'preces' && p.text.text.la?.includes('Kýrie, eléison'));
diff --git a/tests/hours/vespers.test.ts b/tests/hours/vespers.test.ts
index 91eb174..593c4d0 100644
--- a/tests/hours/vespers.test.ts
+++ b/tests/hours/vespers.test.ts
@@ -364,6 +364,16 @@ describe('resolveOrdo("vespers", ...)', () => {
     expect(hymn?.kind === 'hymn' ? hymn.text.text.la : undefined).toContain('Láudibus cives résonent canóris');
   });
 
+  it("resolves the Annunciation's own proper Vespers responsory ('Angelus Domini'), distinct from Common-of-the-BVM's own", () => {
+    // Live-verified against Divinum Officium (Monastic Tridentinum
+    // 1617), 2026-03-25. See lauds-capitulum-annunciation.yml's header.
+    const ordo = resolveOrdo('vespers', '2026-03-25');
+    const responsory = ordo.parts.find((p) => p.kind === 'responsory');
+    expect(responsory?.kind === 'responsory' ? responsory.text.text.la : undefined).toContain('Ángelus Dómini');
+    const hymn = ordo.parts.find((p) => p.kind === 'hymn');
+    expect(hymn?.kind === 'hymn' ? hymn.text.text.la : undefined).toContain('Ave maris stella');
+  });
+
   it("renders Passiontide's seasonal office, with the Gloria Patri omitted from the responsory", () => {
     // 2026-03-30 is Holy Monday (Passion Sunday 2026-03-22 through Holy
     // Saturday 2026-04-04) -- deliberately not 03-25, the Annunciation's