Conversation so far:
What was Charles Willson Peale's role in the American Revolution?
Charles Willson Peale's enthusiasm for the nascent national government brought him to the capital, Philadelphia, in 1776, where he painted portraits of American notables and visitors from overseas.
What military achievements did Charles Willson Peale have?
Charles Willson Peale also raised troops for the War of Independence and eventually gained the rank of captain in the Pennsylvania militia by 1776, having participated in several battles.
What else did Charles Willson Peale do during the War of Independence nesides raising troops and participating in battle?
While in the field, Charles Willson Peale continued to paint, doing miniature portraits of various officers in the Continental Army.
Were Charles Willson Peale's portraits popular?
In January 2005, a full-length portrait of Washington at Princeton from 1779 sold for $21.3 million, setting a record for the highest price paid for an American portrait.
What was Charles Willson Peale's most famous piece?
One of Charles Willson Peale's most celebrated paintings is The Staircase Group, a double portrait of his sons Raphaelle and Titian, painted in the trompe l'oeil style.
Where was Charles Willson Peale's painting of his two sons displayed?
The Staircase Group is in the collection of the Philadelphia Museum of Art.
Does Charles Willson Peale have any other famous pieces besides the portrait of his sons on the staircase?
While he did portraits of scores of historic figures, Charles Willson Peale is probably best known for his portraits of George Washington.
Did Charles Willson Peale paint anything other than historic figures?
Charles Willson Peale was a prolific painter. But he was most known for his historical figure portraits.
Did George Washington like the paintings Charles Willson Peale painted?
The first time Washington sat for a portrait was with Charles Willson Peale in 1772, and they had six other sittings.

Question: What else is significant about his painting career?
Self-contained rewrite: What else is significant about Charles Willson Peale's painting career?