Thank's a lot for your help
here is the first line of the csv file and what it result in joined image
"CATEGORIES","SUMMARY","DESCRIPTION","LOCATION","CONTACT","X-EXTRAINFO","DTSTART","DTEND","TIMEZONE","RRULE"
"Autres rendez-vous","ACCUEIL","<div><font color=""#0072BC""><strong>Club de l’Âge d’Or</strong></font></div>
<div><font color=""#0072BC""><strong>Permanence lundi et jeudi, de 14h00 à 17h00</strong></font></div>
<div>Salle municipale « le Sextant »</div>
<div>1413 avenue de Proven","SEXTANT","PALERMO Ange","{4110} / {4100}","20180101T140000","20180101T170000","Europe/Paris","FREQ=WEEKLY;COUNT=999;INTERVAL=1;BYDAY=MO"
"Autres rendez-vous","ACCUEIL","<div><font color=""#0072BC""><strong>Club de l’Âge d’Or</strong></font></div>
<div><font color=""#0072BC""><strong>Permanence lundi et jeudi, de 14h00 à 17h00</strong></font></div>
<div>Salle municipale « le Sextant »</div>
<div>1413 avenue de Proven","SEXTANT","NOM Prenom","{4140} / {4100}","20180101T140000","20180101T170000","Europe/Paris","FREQ=WEEKLY;COUNT=999;INTERVAL=1;BYDAY=TH"