Changes in version 1.5.1.9000                      

                 Changes in version 1.5.1 (2025-05-17)                  

  - Update package metadata.

                 Changes in version 1.5.0 (2024-09-03)                  

  - Add the bronze dataset (chemical data).
  - Add the cities dataset (geographical data).
  - Add the inrap dataset (geographical data).

                 Changes in version 1.4.0 (2024-02-26)                  

  - Add the vegetation dataset (isotopic data).
  - Document variable types for each dataset.

                 Changes in version 1.3.0 (2022-10-31)                  

  - Add the loire dataset (count data).

                 Changes in version 1.2.0 (2022-08-15)                  

  - Add the munsingen dataset (artefact data).
  - Add the ngrip2010 dataset (palaeoclimates).
  - Add the shipwrecks dataset (artefact data).

                 Changes in version 1.1.0 (2022-05-05)                  

  - Add the verre dataset (chemical data).
  - Add the ngrip2004 dataset (palaeoclimates).
  - Add the stratigraphy dataset (chronological data).

                 Changes in version 1.0.0 (2021-02-12)                  

  - Add the kommos dataset (chemical data).
  - Add the chevelon dataset (count data).
  - Add the law2006 and epica2008 datasets (palaeoclimates).
  - Add the nydal1996 dataset (isotopic data).
  - Add the arnold1949 dataset (historical radiocarbon dates; "Curve of
    Knowns").
  - Remove the altamira dataset.

                        Changes in version 0.1.0                        

  - Add the altamira, birds, boves, compiegne, merzbach, mississippi and
    zuni datasets (count data).
  - Add the intcal09, intcal13 and intcal20 datasets (radiocarbon
    calibration curves).
  - Add the lisiecki2005 and spratt2016 datasets (isotopic data).