State Guide: Chambers of Commerce. As a small business owner in the U.S., it is important to be familiar with your state's chamber of commerce. A chamber of commerce is a local organization of businesses designed to help protect and promote business interests. Some say they are essential to the economic growth of a community. However, if you own a small business, your membership in a chamber of commerce is not mandatory.
Washington became the forty-second state of the United States of America on November 11, 1889. After a hiatus of thirteen years when no new states were admitted to the Union, the United States Congress passed an act enabling the territories of Washington, North Dakota, South Dakota, and Montana to seek statehood.
The United States of America is currently made up of 50 states and they officially joined the union over a period of 172 years. Here are some interesting statistics about states admitted to the union: Most common day of the month to join the union: 1st of the month (five states)