Left Unity was founded on 25 July 1989 with 14 members.

Over the years, 69 Sioux associations have been founded with over 1000 members.

It was founded in 1926 with 35 members.

In 1899 the Cannon Grange was founded with 53 members.

The party was founded in 2008, with over 100 members.

Founded with 21 members, the size of the organization decreased slightly each year.

The club was founded with around 40 members.

The organization was founded in 1974 with 97 chartered members.

The site was founded in 2002 with 50 members and has substantially increased that number by allowing anyone to contribute.

It was founded in early 2009 with six members, and has since doubled in size.