This week’s ten-minute time tunnel looks at rugby union’s one hundred war against rugby league. From 1895 to 1995 rugby union excluded rugby league players from playing its game, developing a system that even rugby union’s Danie Craven described as ‘the strictest form of apartheid’. How and why could this happen? For more on the history of rugby and the other football codes, follow me on Twitter @collinstony and at www.rugbyreloaded.com