# Beamer \date broken

I am creating a presentation with Beamer and I just noticed that the date on the title page is broken. Wherever I write \date, the result is:

It doesn't matter whether I compile it with Latex, XeLaTeX or LuaLaTex. I am already using a variety of packages. This is a small working example:

\documentclass[usenames,dvipsnames]{beamer}
\usetheme{Berkeley}
\usepackage{xcolor}
\usepackage{tikz}
\usepackage{mathtools}
\usepackage{pifont}
\usepackage{stmaryrd}
\usetikzlibrary{positioning}
\usepackage[T1]{fontenc}
\usepackage[greek]{babel}
\usepackage{alphabeta}
\usepackage{scrextend}
\usepackage[utf8x]{inputenc}
\usetikzlibrary{overlay-beamer-styles}
\usepackage{listings}% http://ctan.org/pkg/listings
\lstset{
basicstyle=\ttfamily,
mathescape
}
\usepackage{wasysym}
\usepackage{changepage}
\usetikzlibrary{decorations.pathreplacing,positioning, arrows.meta}

\begin{document}

\begin{frame}
\titlepage
\end{frame}

\end{document}


My output is:

• Don't show only a header but a small but complete example. That makes it much easier to test solutions. – Ulrike Fischer Jan 24 at 10:48
• If I comment out \usepackage[utf8x]{inputenc} and compile the example code using PDFLaTeX, I get: i.stack.imgur.com/XxUnM.png – leandriis Jan 24 at 11:05
• If I then also comment out \usepackage[greek]{babel}} the date is shown correctly. – David Jan 24 at 11:59

Seems you are trying to create a Greek document.

So, the correct settings are:

\usepackage[T1,LGR]{fontenc}

and

\usepackage[utf8]{inputenc}

• Is \usepackage[utf8]{inputenc} really needed? I suppose, that OP have no to old LaTeX installation, where this is default encoding. Or is beamer exception in this? – Zarko Jan 24 at 14:24
• If I only modify these two commands, the hole title page is in Greek. – David Jan 24 at 15:46
• Try \usepackage[LGR,T1]{fontenc} if you want english to be your basic language (also, use \usepackage[greek,english]{babel} ) – koleygr Jan 24 at 16:02