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If the Lord does not watch over the city, in vain does the watchman keep vigil.Ps 127:1

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Pope Leo XIV chooses theme for World Missionary Day 2026

Catholic IntelligenceUpdated 1 min read

Pope Leo XIV has chosen "One in Christ, United in Mission" as the theme for World Missionary Day 2026. The theme marks the centenary of the celebration, which was established by Pio XI.

In his message, the Pope invites the Church to continue its missionary path with joy and zeal through the Holy Spirit. He emphasizes the need for reconciled communities and hearts unified in Christ. The theme highlights the connection between unity in faith through baptism and the missionary responsibility of every baptized person to announce the Gospel.

World Missionary Week takes place from October 11 to 18, 2026. The Œuvres pontificales missionnaires coordinate these activities in France and more than 140 other countries.

AI-assisted briefing based on the sources below.

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How the coverage unfolded

  1. Oct 8, 3:21 AM Diocese of Pescia Italiano La veglia diocesana con il vescovo Augusto
  2. Oct 8, 2:43 PM Diocese of Saint-Denis Français Semaine missionnaire mondiale 2026 : « Un dans le Christ, unis dans la Mission »

More on Pope Leo XIV

  1. Oct 8, 3:31 PM PT · 56 sources Pope Leo XIV meets with Eastern Church leaders and episcopal conference presidents
  2. Oct 8, 3:16 PM PT · 12 sources Pope Leo XIV presides over Mass for Pontifical Universities
  3. Oct 8, 2:33 PM PT · 9 sources Pope Leo XIV to visit Assisi
  4. Oct 8, 1:55 PM PT · 2 sources Pope Leo XIV tells students to counter false teachers with critical thinking
  5. Oct 8, 1:18 PM PT · 4 sources Pope Leo XIV to appoint Sister Mary Teresa Barron
  6. Oct 8, 1:17 PM PT · 59 sources Pope Leo XIV meets with Heads of Eastern Churches and Presidents of Episcopal Conferences on 10th anniversary of Amoris Laetitia
  7. Oct 8, 1:04 PM PT Pope Leo XIV to visit Argentina
  8. Oct 8, 12:10 PM PT · 6 sources Pope Leo XIV names Irish Sr. Mary Teresa Barron to lead Vatican's missionary efforts
  9. Oct 8, 12:07 PM PT · 2 sources Pope Leo XIV opens Vatican bishops’ meeting on family
  10. Oct 8, 11:14 AM PT · 5 sources Pope Leo XIV appoints Sister Mary Teresa Barron as Adjunct Secretary of Dicastery for Evangelization
  11. Oct 8, 11:00 AM PT · 20 sources Pope Leo XIV releases video message for 100th World Mission Sunday
  12. Oct 8, 10:43 AM PT Highlights - October 08, 2026 Holy Mass-Pope Leo XIV
  13. Oct 8, 10:23 AM PT October 08, 2026 Holy Mass-Pope Leo XIV
  14. Oct 8, 10:13 AM PT · 4 sources Pope Leo XIV to appoint Sister Mary Teresa Barron adjunct secretary of Dicastery for Evangelization and president of Pontifical Mission Societies
  15. Oct 8, 10:12 AM PT · 4 sources Pope Leo XIV appoints Sr. Mary Teresa Barron as head of Pontifical Missionary Works
  16. Oct 8, 9:31 AM PT · 5 sources Pope Leo XIV receives President Julius Maada Bio of Sierra Leone in audience
  17. Oct 8, 9:04 AM PT · 2 sources Pope Leo XIV meets with Eastern Church leaders and Episcopal Conference presidents
  18. Oct 8, 9:04 AM PT · 3 sources Pope Leo XIV speaks on 10th anniversary of "Amoris laetitia"
  19. Oct 8, 8:37 AM PT Rome Reports Presents Its New International Projects to Pope Leo XIV
  20. Oct 8, 8:34 AM PT · 16 sources Bishops of France release message after Pope Leo XIV's apostolic visit
  21. Oct 8, 8:30 AM PT · 12 sources Pope Leo XIV receives relic of Blessed Fulton Sheen from Peoria Bishop Louis Tylka
  22. Oct 8, 8:18 AM PT Pope Leo XIV to reinterpret Amoris laetitia
  23. Oct 8, 8:03 AM PT · 2 sources Pope Leo XIV entrusts Brazilians to Our Lady of Aparecida’s intercession
  24. Oct 8, 8:03 AM PT · 10 sources Pope Leo XIV appoints Jan Romeo Pawłowski as Apostolic Nuncio to Ireland
  25. Oct 8, 8:00 AM PT · 7 sources Pope Leo XIV and Ethiopian bishops call for peace

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