When Was Concrete Invented?
When Was Concrete Invented? The earliest known occurrence of cement was twelve million years ago. A deposit of cement was formed after an occurrence of oil shale...
Read MoreWhen Was Concrete Invented? The earliest known occurrence of cement was twelve million years ago. A deposit of cement was formed after an occurrence of oil shale...
Read MoreWhy Did Romans Built Flats and Villas in the First Century A.D? Today, you see builders advertising flats and villas for sale almost every day. But did you know that...
Read MoreWhy Was Today’s ‘living Room’ Called a ‘parlour’ in Early British Homes? The word ‘parlour’ comes from the French word ‘Parler’ which means ‘to speak’. In the Middle...
Read MoreWhy Was the Taj Mahal Built? The Taj Mahal was built by the Mogul emperor Shah Jehan (1614-66) as a tomb for his favorite wife, Mumtaz Mahal. It is situated at Agra in...
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