Last year Photokina announced that the biggest photography show will start taking place annually. This made absolutely no sense since the camera industry is shrinking and many of the camera manufacturers were not happy with that decision. I am not surprised that today Photokina canceled their 2019 show and announced the 2020 Photokina dates (May 27-30, 2020):
Following a successful photokina 2018, the German Photo Industry Association (PIV), as conceptual sponsor of the trade fair, and the event's organiser Koelnmesse have agreed not to organise the next leading global trade fair in May 2019, as initially planned, but in May 2020. From Wednesday 27 May 2020 to Saturday 30 May 2020, all the market leaders in the imaging industry are expected once again in Cologne. The decision to postpone the start of the announced annual cycle by one year is intended to give all participants the opportunity to further develop the new concept for photokina and to tap into new target groups among exhibitors and visitors in order to heighten the status of the trade fair as a global platform for the photography and imaging industry.
The full press release can be found here if you want to read it.