(There's no video for calenDAr yet. Please contribute to MR and add a video now!)
calenDAr is a system Desk Accessory that allows you to view any date from 1583 to 9,999, set reminders and view holidays from 1904 to 2040, list reminders, record sound for reminders, and much more!
It may even allow you to set your system date past 2019 unlike the control panel
(82.42 KiB / 84.4 KB)
Version 1.1.3 / compressed w/ Stuffit
This is a Desk Acccessory that lives in the System 6 suitcase, or System 7 Apple Menu Items
Emulating this? It could probably run under: Basilisk II