The International Museum Day is these days, and many museums around the world organise different events. Normally there are opportunities to participate in person, but with the coronavirus threat most of events are held in digital formats. Here is a map with events around the world:
Also, these days many museums in the world open their door and let people free access. In particular, in Russia this action takes place for many years by now. The list of events, in Russian only, is available here: