The National Library of Ireland is running most of their events online. You can get updates from them via their newsletter here, while the current events are listed here.
The events they’re holding include talks, panel discussions and even virtual tours of some of their exhibits.
There’s an upcoming tour related to the Irish experience during the first World War, or if that doesn’t tickle your fancy you could explore photos from the War of Independence or learn about Irish Christmas traditions.
You can also visit some of their exhibitions online where they’ve made available immersive virtual tours.
Full details on the library’s site. (Most of the events seem to be free!)