I have a .json with 3 columns where one of them is \'Year\'. The column contains only years. No dates!.
When I am graphing it on the \'x\' axis the years come out with a
You should add .tickFormat(d3.format("d")) to your xAxis:
.tickFormat(d3.format("d"))
var xAxis = d3.svg.axis().scale(x).orient("bottom").tickFormat(d3.format("d"));