The Dow Jones index chart history is available online at Yahoo.com, StockCharts.com, CNN.com and MarketWatch.com, as of March 2015. Each website offers a different length of history, with Market Watch and Yahoo ending in the mid- to late-1980s.
StockCharts.com details Dow Jones chart data to 1900. These charts include the Dow Jones Industrial Average, the transportation average and the utility average, the latter of which has data to 1928.
Yahoo's chart is interactive, and users can change how far back its history goes by day, month or year, back to 1985. CNN's and Market Watch's chart lengths also are variable back a maximum of five years for CNN and to 1987 for Market Watch, which also overlays the number of news stories about the industrial average for each year.