Timeline of Toilet system's Evolution

.BC 2500: In Mohenjo - daro, there existed highly developed drainage system where waste water from each house flowed into the main drain.
.BC 1000: In the Bahrein Island in the Persian Gulf, flush type toilet was discovered.
.AD 69: Vespasianus (Otto Empire) for the first time levied Tax on Toilets.
.1214 AD: Construction for the first time of public toilets manned by scavengers in Europe..1596 AD: JD Harrington invents W.C.
.1668 AD: Edict issued by Police Commissioner Paris, construction of Toilets in all houses.
.1728 AD: Architect J.F. Brondel argues that attached toilet is ideal.
.1739 AD: First separate toilet for men and women appear at a ball in Paris.
.1824 AD: First Public Toilet in Paris..1859 AD: Toilet of Queen Victoria is decorated with gold.
.1883 AD: First Ceramic Toilet by Thomas Turiferd for Queen Victoria.
.1889 AD: Sewage Treatment for the first time in the world.
.1959 AD: All surface Toilets abandoned (Paris).
.1970 AD: Sulabh International is established by Bindeshwar Pathak, as a non-profit NGO in Bihar.
.1980 AD: Installation of Auto - control Public Toilet.

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