Dame Agatha Christie, Lady Mallowan, was an English writer born on this day in 1890, known for her sixty-six detective novels and fourteen short story collections.

Did you know that:

• Jan Matzeliger, the inventor of the shoe-lacing machine, was born on this day in 1852
• The first use of tanks in warfare, “Little Willies” was at the Battle of Flers-Courcelette on this day in 1916
• Google.com was registered as a domain name on this day in 1997