In Feb-2021, there are a couple relevant virtual events taking place that could be of interest to bonsai enthusiasts.

Wisconsin Garden and Landscape Expo

Generally sessions are at no cost, though some workshops or sessions may have a cost …

use the above link for information and to register, not links on image below.

The Huntington (San Marino, California) Virtual Bonsai-A-Thon

use this link to register (no cost)