\documentclass[12pt]{article}
\usepackage[a4paper]{geometry}
\usepackage{xcolor}
\makeatletter
\newlength\lLinks\lLinks=\oddsidemargin
\addtolength\lLinks{1in}
\addtolength\lLinks{\hoffset}
\def\Links{\strip@pt\lLinks}
\newlength\lOben\lOben=\topmargin
\addtolength\lOben{\headheight}
\addtolength\lOben{\headsep}
\addtolength\lOben{\topskip}
\addtolength\lOben{1in}
\addtolength\lOben{\voffset}
\def\Oben{\strip@pt\lOben}
\unitlength=1pt%
\makeatother
\begin{document}%

\begin{titlepage}
\noindent%
\begin{picture}(0,0)
\put(-\Links,\Oben){\color{red}\rule[-\paperheight]{20pt}{\paperheight}}
\end{picture}
\vspace*{84pt}
\begin{center}
\rule{\linewidth}{1pt}\\[20pt]
{\Huge \textbf{Das Schnattern}
\vspace{18pt}
\textbf{fliegender Enten}}
\rule{\linewidth}{1pt}

\vspace{56pt}
\Large Donald Duck
\end{center}
\end{titlepage}

\clearpage

foo bar baz

\end{document}