The first non-voting delegate took his seat on December 1, 1806.
There were five territories with the right to send non-voting delegates to the 12th Congress.
The 4th Conference was attended by just 18 voting and 47 non-voting delegates.
East Berlin sent non-voting 13 delegates owing to the city's legal status.
In contrast, Michigan, still being a territory, had only a single non-voting delegate.
Three territories sent non-voting delegates to the 11th Congress.
A non-voting delegate was elected at-large beginning March 4, 1801.
A non-voting delegate was elected at-large beginning January 29, 1818.
There are 42 African Americans (including two non-voting delegates) and 74 female representatives.
Representatives and non-voting Delegates are elected for two-year terms.