diff --git a/tex-packages.txt b/tex-packages.txt
index 8429b5f..fc6afed 100644
--- a/tex-packages.txt
+++ b/tex-packages.txt
@@ -40,3 +40,4 @@ bookmark
 epstopdf-pkg
 grfext
 hyphen-german
+translations
diff --git a/thesis.tex b/thesis.tex
index 6aca056..8ea9c46 100755
--- a/thesis.tex
+++ b/thesis.tex
@@ -31,9 +31,12 @@
 \usepackage{fontspec}
 \defaultfontfeatures{Ligatures=TeX}  % -- becomes en-dash etc.
 
-% load english (for abstract) and ngerman language
-% the main language has to come last
-\usepackage[american, ngerman]{babel}
+% load all used languages
+% and set the main language of this thesis
+% use this if this thesis is written in German:
+\usepackage[english, ngerman]{babel}
+% use this if this thesis is written in English:
+%\usepackage[ngerman, english]{babel}
 
 % intelligent quotation marks, language and nesting sensitive
 \usepackage[autostyle]{csquotes}
@@ -68,11 +71,13 @@
 %------------------------------------------------------------------------------
 
 \usepackage[
-  locale=DE,
   separate-uncertainty=true,
   per-mode=symbol-or-fraction,
 ]{siunitx}
 \sisetup{math-micro=\text{µ},text-micro=µ}
+% automatically choose the right locale
+\addto\extrasngerman{\sisetup{locale = DE}}
+\addto\extrasenglish{\sisetup{locale = UK}}
 
 %------------------------------------------------------------------------------
 %-------------------------------- tables  -------------------------------------
diff --git a/tudothesis.cls b/tudothesis.cls
index bfa126e..a13ddeb 100644
--- a/tudothesis.cls
+++ b/tudothesis.cls
@@ -61,6 +61,29 @@
 \let\oldtitle\title%
 \renewcommand{\title}[1]{\oldtitle{#1}\newcommand{\thetitle}{#1}}
 
+% Provide all translations through the "translations" package
+\RequirePackage{translations}
+
+\DeclareTranslation{German}{thesisclass}{Arbeit zur Erlangung des akademischen Grades}
+\DeclareTranslation{English}{thesisclass}{Thesis for obtaining the academic degree}
+
+\DeclareTranslation{German}{birthplace}{geboren in}
+\DeclareTranslation{English}{birthplace}{born in}
+
+\DeclareTranslation{German}{firstcorrector}{Erstgutachter}
+\DeclareTranslation{English}{firstcorrector}{Reviewer}
+
+\DeclareTranslation{German}{secondcorrector}{Zweitgutachter}
+\DeclareTranslation{English}{secondcorrector}{Co-reviewer}
+
+\DeclareTranslation{German}{submissiondate}{Abgabedatum}
+\DeclareTranslation{English}{submissiondate}{Submission date}
+
+\DeclareTranslation{German}{university}{Technische Universität Dortmund}
+\DeclareTranslation{English}{university}{Technische Universität Dortmund} 
+% For now, the name of the university is not translated into English, 
+% but this could be changed in the future
+
 % initialize commands:
 \newcommand\thebirthplace{}
 \newcommand\thechair{}
@@ -71,7 +94,7 @@
 \newcommand\thesecondcorrector{}
 
 % new commands for information about the thesis
-\newcommand\birthplace[1]{\renewcommand\thebirthplace{geboren in #1}}
+\newcommand\birthplace[1]{\renewcommand\thebirthplace{#1}}
 \newcommand\chair[1]{\renewcommand\thechair{#1}}
 \newcommand\division[1]{\renewcommand\thedivision{#1}}
 \newcommand\thesisclass[1]{\renewcommand\thethesisclass{#1}}
@@ -80,17 +103,17 @@
 \newcommand\secondcorrector[1]{\renewcommand\thesecondcorrector{#1}}
 
 % set title page elements
-\subject{Arbeit zur Erlangung des akademischen Grades\\ \thethesisclass}
-\publishers{\thechair \\ \thedivision \\ Technische Universität Dortmund}
+\subject{\GetTranslation{thesisclass} \\ \thethesisclass}
+\publishers{\thechair \\ \thedivision \\ \GetTranslation{university}}
 
 % page for the correctors
 \newcommand{\makecorrectorpage}{%
   \thispagestyle{empty}
   \vspace*{\fill}
   \begin{tabular}{@{}l@{\hspace{2em}}l@{}}
-      Erstgutachter:  & \thefirstcorrector \\
-      Zweitgutachter: & \thesecondcorrector \\
-      Abgabedatum:    & \thesubmissiondate
+      \GetTranslation{firstcorrector}:  & \thefirstcorrector \\
+      \GetTranslation{secondcorrector}: & \thesecondcorrector \\
+      \GetTranslation{submissiondate}:  & \thesubmissiondate
   \end{tabular}
   \newpage
 }
@@ -98,5 +121,5 @@
 % add birthplace to author
 \let\oldauthor\author
 \renewcommand\author[1]{%
-  \oldauthor{#1 \\ \thebirthplace}
+  \oldauthor{#1 \\ \GetTranslation{birthplace} \thebirthplace}
 }