JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://canvasjs.com/assets/script/canvasjs.min.js"></script>

<div id="chartContainer" style="height: 300px; width: 100%;"></div>

JavaScript

window.onload = function () {
	var chart = new CanvasJS.Chart("chartContainer", {
		title: {
			text: "Using label property of Stripline"
		},
		axisX:{
			valueFormatString:"####"
		},
		axisX2:{
			stripLines:[
			{      
				value:1955,
				label : "25",
        labelPlacement: "outside"
			}
			]
		},
		data: [
		{
    	axisXType: 'secondary',
			type: "spline",          
			dataPoints: [
				{ x: 1910, y: 5 }, 
				{ x: 1920, y: 9 }, 
				{ x: 1930, y: 17}, 
				{ x: 1940, y: 35}, 
				{ x: 1950, y: 22}, 
				{ x: 1960, y: 14}, 
				{ x: 1970, y: 25}, 
				{ x: 1980, y: 18}, 
				{ x: 1990, y: 20}
			]
		}
		]        
	});
	chart.render();

}