Was it antimatter? Aliens? An atomic blast? On the 115th anniversary of the Tunguska event, the weird and wonderful theories as to the explosion’s cause show no sign of drying up. Why?

The dog cull of 1760 divided London: were dogs man’s best friend, or plague-ridden pests?

First Tenochtitlán, then Cuzco, then Machu Picchu – why shouldn’t more cities paved with gold be discovered in South America?

‘A day in the life’ of the 18th-century Bank of England.

Which person in history would I most like to have met? Mihri Hatun, a poet of Ottoman Bursa, who dared to state that a clever woman was worth 1,000 incompetent men. 

Following the death of Henry I, England was plunged into a civil war that reduced the country to a charred ruin. With the barons split between rival claimants, the people suffered.

In January 1848, in the Sicilian city of Palermo, the streets began to fill with crowds. From here, revolutionary sparks flew to almost all of Europe’s cities.