Including dates is done by a series of highlighting tools - it does not so much include those dates, as it visually distinguishes them

Date List Highlights

Note: Please view the API documentation for each option to understand the required data format.

[2,4] / false
["2001-01-01", "2000-12-31"] / false
["2001-01-01", "2000-12-31"] / false
[[-1,11,31],[-1,0,1]] / false

Date Jump-To List

Note: there is no default list for this option - you must supply one.

[["1980-04-25", "JTs Date of Birth"], ["1809-02-12", "Lincolns Birthday"]] / false