Conversation so far:
Who were George Washington's parents?
Augustine Washington and his second wife Mary Ball Washington.
Where was he born?
born on their Popes Creek Estate near Colonial Beach in Westmoreland County, Virginia.
When was he born?
February 11, 1731.
Did he get an education?
The death of his father prevented Washington from an education at England's Appleby Grammar School such as his older brothers had received.
How did he start his career at a young age?
He was trained in mathematics, trigonometry, and surveying that developed a natural talent of draftsmanship and map making.
What did he do in his career when young?
In 1751, Washington traveled with Lawrence to Barbados (his only trip abroad) in the hope that the climate would be beneficial to Lawrence's declining health.
What was wrong with his health?
he was suffering from tuberculosis.
Did he get treatment?
Lawrence's health failed to improve, and he returned to Mount Vernon where he died.

Question: When did he die?
Self-contained rewrite: When did Lawrence die?