Encyclicals written by Pope PIUS X
No.
Title
Subject
Date
1.
E supremi
On the Restoration of All things in Christ
04 Oct 1903
2
Ad diem illum laetissimum
On the Immaculate Conception
2 Feb 1904
3.
Iucunda sane
On Pope Gregory the Great
12 Mar 1904
4.
Acerbo nimis
On Teaching Christian Doctrine
15 Apr 1905
5.
Il fermo proposito
On Catholic Action in Italy
11 Jun 1905
6.
Vehementer Nos
On the French Law of Separation
11 Feb 1906
7.
Tribus circiter
On the Miravites: Mystic Priests of Poland
05 Apri 1906
8.
Pieni l'animo
On the Clergy in Italy
28 Jul 1906
9.
Gravissimo officii munere
On French Associations of Worship
10 Aug 1906
10.
Une fois encore
On the Separation of Church and State
06 Jan 1907
11.
Pascendi Dominici Gregis
On The Doctrines Of The Modernists
08 Sept 1907
12.
Communium Rerum
On St. Anselm of Austa
21 Apr 1909
13.
Editae Saepe
On St. Charles Borromeo
26 May 1910
14.
Iamdudum
On The Law of Sepration In Portugal
24 May 1911
15.
Lacrimabili Statu
On the Indians of South America
07 Jun 1912
16.
Singulari quadam
On Labor Organizations
24 Sept 1912
