diff --git a/Seminaires/2019-2020/Makefile b/Seminaires/2019-2020/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..785049693510177dd8457d49bc8c04917a4d9b2e
--- /dev/null
+++ b/Seminaires/2019-2020/Makefile
@@ -0,0 +1,74 @@
+#!/usr/bin/make -f
+#
+# Requires latexmk.
+#
+# Maxime Bombar <bombar@crans.org>
+
+## This Makefile is used to build pdf from a latex project. Use ```make help``` to display a summary of the rules.
+##
+## make MyFancyProject.pdf	: Builds MyFancyProject.pdf (and auxiliary files) from MyFancyProject.tex and fails if it doesn't exist.
+## make MyFancyProject.warn	: Displays how many warnings and bad boxes there are when compiling MyFancyProject.
+## make MyFancyProject.showwarn	: Displays the warnings and bad boxes for MyFancyProject.
+
+.PHONY: all help clean cleanall
+SHELL = /bin/bash
+
+
+# latexmk is a swiss army knife of latex compilation. Option -pdf to output the pdf.
+PDFLATEX := latexmk -pdf
+CMD = cat $*.log | grep -iE
+REGEXBOX := full..hbox
+WARNINGS := warning
+
+
+TEXDOCS = $(wildcard *.tex)
+PDF := $(patsubst %.tex,%.pdf, $(TEXDOCS))
+OUT := $(patsubst %.tex,%.out, $(TEXDOCS))
+LOG := $(patsubst %.tex,%.log, $(TEXDOCS))
+
+
+# Prevents some intermediate files to be automatically deleted...
+.PRECIOUS: %.log %.pdf Makefile
+
+%.log: %.tex
+	$(PDFLATEX) $<
+
+%.warn: %.log
+	@echo "${shell echo 'There are $$(( $$($(CMD) $(WARNINGS) | wc -l)-1 ))' warning\(s\)}"
+	@echo "${shell echo 'There are $$($(CMD) $(REGEXBOX) | wc -l)' bad boxe\(s\)}"
+
+%.showwarn: %.log
+	@echo "${shell echo 'There are $$(( $$($(CMD) $(WARNINGS) | wc -l)-1 ))' warning\(s\) for $*:}"
+	@echo "${shell echo '$$( $(CMD) $(WARNINGS) | tail +2)' }"
+	@echo "${shell echo $(\n)}"
+	@echo "${shell echo 'There are $$($(CMD) $(REGEXBOX) | wc -l)' bad boxe\(s\) for $*:}"
+	@echo "${shell echo '$$( $(CMD) $(REGEXBOX))' }"
+
+%.pdf: %.log
+	@echo "${shell echo 'There are $$(( $$($(CMD) $(WARNINGS) | wc -l)-1 ))' warning\(s\)}"
+	@echo "${shell echo 'There are $$($(CMD) $(REGEXBOX) | wc -l)' bad boxe\(s\)}"
+
+## make all			: Builds every file in the current directory.
+all: $(TEXDOCS)
+	$(PDFLATEX) $^
+
+## make rebuild			: Cleans and rebuilds every file.
+rebuild: cleanall all
+
+## make clean			: Removes every auto-generated file except for pdf.
+clean:
+	@echo -n "aux bbl blg dvi fdb_latexmk fls nav snm tdo toc thm vrb"|xargs -t -d ' ' -n 1 -I {} find . -iname "*.{}" -delete
+	rm -f $(OUT)
+	rm -f $(LOG)
+	find . -iname "*flymake*" -delete
+	find . -iname "*~" -delete
+	find . -iname "\#*" -delete
+	find . -type d  -iname 'auto' -exec rm -rf {} +
+
+## make cleanall			: Removes every auto-generated file.
+cleanall: clean
+	rm -f $(PDF)
+
+## make help			: Displays this help.
+help: Makefile
+	@sed -n 's/^##//p' $<
diff --git a/Seminaires/2019-2020/Planning_provisoire.tex b/Seminaires/2019-2020/Planning_provisoire.tex
new file mode 100644
index 0000000000000000000000000000000000000000..1935d94ea0d1d1b2d3a574b07b960251a2f1998b
--- /dev/null
+++ b/Seminaires/2019-2020/Planning_provisoire.tex
@@ -0,0 +1,79 @@
+\documentclass[a4paper, 11pt]{article}
+
+\usepackage[utf8]{inputenc}
+\usepackage[T1]{fontenc}
+
+\usepackage{graphicx}
+\usepackage[export]{adjustbox}
+
+\usepackage{eso-pic}
+\newcommand\BackgroundIm{
+  \put(0,0){
+    \parbox[b][\paperheight]{\paperwidth}{%
+      \vfill
+      \centering
+      \includegraphics[height=\paperheight,width=\paperwidth,
+      keepaspectratio]{background.png}%
+      \vfill
+    }}}
+
+\pagenumbering{gobble}
+
+\title{\textbf{Planning prévisionnel des séminaires pour le premier semestre 2019-2020}}
+\author{}
+\date{}
+
+% Commande à trois arguments, l'orateur, le nombre de personnes et le synopsis
+% \seminaire{<orateur>}{<n>}{<synopsis>}
+\newcommand{\seminaire}[3]{
+    \begin{description}
+        \item[Orateur~:] #1
+        \item[Présence~:] #2 personnes
+        \item[Synopsis~:] #3
+    \end{description}
+}
+
+
+\begin{document}
+
+\AddToShipoutPicture{\BackgroundIm}
+
+\maketitle
+
+\begin{figure}
+  \includegraphics[width=0.3\textwidth,right]{logo_crans.png}
+\end{figure}
+
+\begin{itemize}
+\item{\color{red} \textbf{23 Septembre}}\ \\ {\textbf{Présentation technique du Crans}}
+
+\item{\color{red}30 Septembre}\ \\ {\textbf{Introduction à Linux, shell, SSH}}
+
+\item{\color{red}7 Octobre}\ \\ {\textbf{Introduction au réseau et au routage}}
+
+\item{\color{red}14 Octobre}\ \\ {\textbf{Python orienté objet}}
+
+\item{\color{red}21 Octobre}\ \\ {\textbf{Algèbre relationnelle, SQL}}
+
+\item{\color{red}11 Novembre}\ \\ {\textbf{Cryptographie pratique et GPG}}
+
+\item{\color{red}18 Novembre}\ \\ {\textbf{Django : Un framework pour le web}}
+
+\item{\color{red}25 Novembre}\ \\ {\textbf{\LaTeX}}
+
+  
+\end{itemize}
+
+\noindent \textbf{Les séminaires sont gratuits et ouverts à tous. Ils sont présentés par des membres actifs du Crans et ont lieu les Lundis à \emph{19h dans la salle de conférence du Pavillon des Jardins}.}
+
+
+% \seminaire{<orateur>}{<n>}{
+% Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor
+% incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis
+% nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
+% Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu
+% fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in
+% culpa qui officia deserunt mollit anim id est laborum.
+% }
+
+\end{document}
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