What happened to Leonardo da Vinci's Notebooks?
It is not too fanciful to say that the world owes a huge debt of gratitude to Francis I, King of France for Leonardo's Notebooks, or at least some of them.
Leonardo da Vinci's Tunnels
In 1494 Leonardo da Vinci started working for Ludovico Sforza, the duke of Milan.
Leonardo's Rule of Trees
Dendrologists, who study the growth patterns and structures of trees, say that Leonardo's Rule of Trees is spot on.
Louis-Philippe, 24 February 1848
On 24 February 1848 news came from Paris that King Louis-Philippe had abdicated.
George, duke of Clarence
On 18 February 1478, George, duke of Clarence was murdered in the Tower of London on the orders of his brother Edward IV, king of England. Families!