Join the Big History Project Every town and village has its story. Find out what drove politicians to make changes in your area; discover the local heroes who championed progress; and dig out the stories of real people who lived through these changes. Sir Tony Robinson, actor, writer, broadcaster and historian. As we approach the 150 year anniversary of the UK's first modern sewer system, which transformed our cities and helped eliminate diseases like cholera, we're inviting you to take part in WaterAid's Big History Project – and help us piece together the history of taps and toilets across the country. Visit our top tips and resources to find out more and order your free resource pack.