Check out this super simple yet hyper effective Multi-Year Timeline Table Keynote Infographic Template. This template consists of one slide that is a faux table built with Keynote shapes that that you can animate it to your liking.
This timeline template for Keynote is designed to show larger swaths of time rather than shorter periods although it could be easily edited to do so. This template uses standard Keynote fonts and styles. Easily use on all your Apple devices.
Simply download this template and copy and paste the slide into your deck and enjoy!