The date of formation is estimated to be about 5,000 years ago (Holocene).

Their exact date of formation is unknown, but they are thought to have developed from a club called Alnwick United Services formed in 1879.

Their date of formation is uncertain, although it was in the early part of the 1980s.

The date of formation of the sampradaya is disputed.

Although Almondsbury boasts a team dating from the 1870s, the exact date of formation was not known.

The date of formation of the eyalet of Bosnia is placed in 1580.

Where known, the date of formation of the twinning agreement is included in parentheses.

Aside from the date of formation, the 2005 reanalysis of the storm made only minor changes to its track and intensity records.

Therefore, 20 November 1918 can be considered as the date of formation of the State Chancellery.

The precise dates and means of formation of the lordships varied, as did their size.