Which 19th-century British doctor identified a Soho water pump as the source of a cholera outbreak, founding modern epidemiology?

Rank these Grand National winning jockeys by the year they first won the race at Aintree.

⚽ Sport · 25 votes

Which French engineer demonstrated the first practical mechanical television system in 1909 using a rotating mirror drum?

💻 Tech · 25 votes

Which strange medieval English custom required a man to pay his lord a fine for permission to marry off his daughter?

📜 History · 25 votes