The first one opened in April 1866, and contained portraits of people from or linked to the history of England until the Glorious Revolution.
[1] The second exhibition displayed portraits between the Glorious Revolution and 1800, with the final exhibition showing portraits from people living after 1800, including living people.
The third exhibition for example showed 9 works attributed to Hans Holbein, 9 works by Anthony van Dyck, 27 by Reynolds and 34 by Gainsborough, even though they should normally have been shown in the previous exhibitions.
The 1866 exhibition, lasting from 16 April until 18 August, had 73,156 visitors for 1035 pictures, including works by Hans Memling and Hans Holbein the Younger.
The 1867 exhibition, held between 2 May and 31 August, showed 866 portraits, many of them by Joshua Reynolds and Thomas Gainsborough, and received 49,385 visitors.