\documentclass[a4paper, oneside, 10pt]{article}
\usepackage[unicode]{hyperref}
\usepackage[utf8x]{inputenc}
\usepackage[english]{babel}
\date{\today}
\title{}
\author{}
\usepackage[utf8x]{inputenc}
\begin{document}



\subsection{\texorpdfstring{2006}{2006}}
\label{sec:2006}


\textbf{Theoretical Physics Seminar at School of Physics, Center for Theoretical Physics, Seoul National University} (Seoul, Korea, June 8)
\begin{itemize}
  \item [6/8]  \\
      
      


\end{itemize}


\begin{center}
\line(1,0){250}
\end{center}



\textbf{Industrial Day, University of Massachusetts, Lowell} (Lowell, MA, April 28, 2006)
\begin{itemize}
  \item [4/28]  \\
      
      


\end{itemize}


\begin{center}
\line(1,0){250}
\end{center}



\textbf{U.S.-Korea Forum on Nanotechnology} (Seoul, Korea, April 3)
\begin{itemize}
  \item [4/3]  \\
      
      


\end{itemize}


\begin{center}
\line(1,0){250}
\end{center}



\textbf{Colloquium at Department of Physics and Applied Physics, University of Massachusetts Lowell} (Lowell, MA, USA, February 22)
\begin{itemize}
  \item [2/22]  \\
      
      


\end{itemize}


\begin{center}
\line(1,0){250}
\end{center}



\end{document}
