Create a new input source with a system identifier. Applications may use setPublicId to include a public identifier as well, or setEncoding to specify the character encoding, if known. If the system identifier is a URL, it must be fully resolved (it may not be a relative URL).
The Minnesota territorial legislature voted to become a state and submitted their request to the US Congress, who accepted Minnesota as the 32nd state on May 11, 1858.
Maine became the 23rd state on March 15, 1820. Its admission to the Union balanced the simultaneous admission of Missouri as a slave state. What is now the state of Maine was, before statehood, called the District of Maine and belonged to Massachusetts.