Timeline block

<html xmlns="https://www.w3.org/1999/xhtml">
<head>
  <title>Categorized Timeline Using Dates</title>
  <meta charset="utf-8" />
    <style type="text/css">
      
      svg {
        height: 1100px;
        width: 1100px;
      }
      div.viz {
        height: 1000px;
        width: 1000px;
      }
      </style>
</head>

types = ["Gwartney, James","Benson, Bruce","Isaac, Mark","Holcombe, Randall","Holcombe, Laura","Staley, Sam"];

colorScale = d3.scale.ordinal()
  .domain(types)
  .range(["#96abb1", "#313746", "#b0909d", "#687a97", "#292014"]);

d3.csv("wars.csv", function (csv) {
  var timeline = d3.layout.timeline()
    .size([500,80])
    .extent(["1960", "2017"])
    .padding(3)
    .maxBandHeight(25);

types.forEach(function (type, i) {
  onlyThisType = csv.filter(function(d) {return d.sphere === type});

theseBands = timeline(onlyThisType);

d3.select("svg").append("g")
  .attr("transform", "translate(100," + (34 + (i * 40)) + ")")
  .selectAll("rect")
  .data(theseBands)
  .enter()
  .append("rect")
  .attr("rx", 2)
  .attr("x", function (d) {return d.start})
  .attr("y", function (d) {return d.y})
  .attr("height", function (d) {return d.dy})
  .attr("width", function (d) {return d.end - d.start})
  .style("fill", function (d) {return colorScale(d.sphere)})
  .style("stroke", "black")
  .style("stroke-width", 1);

d3.select("svg").append("text")
  .text(type)
  .attr("y", 50 + (i * 40))
  .attr("x", 20)

})

</script>
<body>
<div id="viz">
  <svg style="background:white;" height=1100 width=1100>
  </svg>
</div>
<footer>
</footer>
</body>
</html>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.16/d3.min.js