What does Calendario look like on Samsung?

On Samsung it is the design shipped in One UI 8.5, shown above at full size. Older revisions are listed beneath it.

When did Samsung add Calendario?

Samsung first drew Calendario in Touchwiz 2.0, released 26 aprile 2013.

Samsung Electronics has shipped 26 versions of Calendario. Each is dated, so you can see when the design changed.

Samsung Touchwiz 7.1

Samsung shipped a new design for Calendario in Touchwiz 7.1, released 21 settembre 2016. The previous design is shown beside it.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does Calendario look like on Samsung?: On Samsung it is the design shipped in One UI 8.5, shown above at full size. Older revisions are listed beneath it.
When did Samsung add Calendario?: Samsung first drew Calendario in Touchwiz 2.0, released 26 aprile 2013.
How many times has Samsung redrawn Calendario?: Samsung Electronics has shipped 26 versions of Calendario. Each is dated, so you can see when the design changed.