Back كريستيان اوجاست (عسكرى) ARZ Кристиан Август (Шлезвиг-Холщайн-Зондербург-Августенбург) Bulgarian Cristià August I de Schleswig-Holstein-Sonderburg-Augustenburg Catalan Kristián August I. Šlesvicko-Holštýnsko-Sonderbursko-Augustenburský Czech Christian August 1. af Slesvig-Holsten-Sønderborg-Augustenborg Danish Christian August (Schleswig-Holstein-Sonderburg-Augustenburg) German Χριστιανός Αύγουστος Α΄ του Σλέσβιχ-Χόλσταϊν-Σόντερμπουργκ-Αουγκούστενμπουργκ Greek Cristián Augusto I de Schleswig-Holstein-Sonderburg-Augustenburg Spanish Christian-Auguste de Schleswig-Holstein-Sonderbourg-Augustenbourg French כריסטיאן אוגוסט הראשון, דוכס שלזוויג-הולשטיין-זונדרבורג-אוגוסטנבורג HE
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Christian August I, Duke of Schleswig-Holstein-Sonderburg-Augustenburg | |
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| Born | 4 August 1696 |
| Died | 20 January 1754 (aged 57) |
| Noble family | House of Oldenburg |
| Spouse(s) | Frederikke Louise Danneskiold-Samsøe |
| Issue | Frederick Christian I, Duke of Schleswig-Holstein-Sonderburg-Augustenburg |
| Father | Prince Frederick William of Schleswig-Holstein-Sonderburg-Augustenburg |
| Mother | Sophia Amalia of Ahlefeld |
Christian August I, Duke of Schleswig-Holstein-Sonderburg-Augustenburg (4 August 1696 – 20 January 1754) was a son of Frederick William of Schleswig-Holstein-Sonderburg-Augustenburg, who was himself a son of Ernest Günther.
He served as provost of the cathedral chapter in Hamburg. Later, he became governor of the Danish island Als, then General of the Infantry and Colonel of the royal guards in Denmark. In 1731, Christian August I succeeded his childless uncle Ernest August.