PowerShell Conference Europe is the largest PowerShell-themed conference in Europe, and is held in Hanover, Germany each year. We attract speakers and attendees from all over the world, with such topics as security, DevOps, databases, core language features, optimization, DSC, best practices and much more.
Here are some sites and references if you want to learn or train in Powershell
Microsoft Virtual Academy
Microsoft Virtual Academy (MVA) is a logical first-stop when searching for sources of free learning. A search for “powershell” on the main page of the MVA website returns 68 hits, 13 of which include PowerShell in the course title.