Drees III (13 October 1956 – 22 December 1958), was the fourth Dutch cabinet under prime minister Willem Drees, with ministers from PvdA, KVP, ARP end CHU. The cabinet formation took 4 months. This was the longest and most difficult formation the Netherlands had ever seen, partly as a result of the rising tensions between PvdA and KVP. Also after the formation, these tensions kept rising, leading to the fall of the cabinet in December 1958. Root of the tensions were the decision of the Roman Catholic Church to excommunicate Catholic socialists from the church. Nearly 100% of the south of the Netherlands used to vote for the Catholic KVP for decades, but in the 1950s secular political parties got an increase in votes. The excommunication had the result of social exclusion in cities and vill