The first RetroGamesCon in Ludwigshafen, Germany will happen in April!

It will take place on Sunday, the 22nd of April 2018 at the “Julius Hetterich Saal Ludwigshafen Maudach”,
More info on the RetroGamesCon Facebook page and the Facebook event entry for this convention

They describe the event like the following:

“Your retro bourse for video games and consoles of the 70s, 80s and 90s.
We offer you not only the usual stalls, but also an extensive supporting program with auctions, tournaments, exhibition, gaming corner, specials … and catering (at reasonable prices).”