610 The Culdee monks, led by Columbanus and Gallus, spread Christianity in Switzerland.
687 The Carlovingians begin their rule over the Franks. They foster religious establishments in Switzerland.
768 Charlemagne ascends the Frankish throne. He gives an impetus to religion, education, and industry in Switzerland; founds schools and churches and increases their wealth.
774 The Franks gain possession of the Italian valleys of Switzerland till then held by the Langobardi.
843 By the Treaty of Verdum western or Burgundian Switzerland falls to Lothair, eastern or German Switzerland (Alamannia) with Rhætia to Ludwig the German. Feudalism is becoming well established in Switzerland. The church owns large estates and the bishops are powerful. Arts and sciences progress in the monasteries of St. Gall, Reichenau, and Pfäffers.
853 Ludwig the German founds the Fraumünster at Zurich.
Time of Burgundian and Alamannian Rulers
888 Rudolf I is crowned king of Upper Burgundy and begins to rule over western Switzerland.
917 Count Burkhard of Rhætia is made duke of Alamannia (Swabia). He rules over eastern Switzerland.
919 Burkhard I, duke of Alamannia, defeats Rudolf II of Upper Burgundy at Winterthur.