International FIAP Exhibitions
https://www.myfiap.net/patronages

Copy and paste the web addresses, given on the FIAP pages, into your browser rather than clicking on it.
Often the link is wrong and when you come to pay the entry fee it does not always work.

National BPE Exhibitions
http://www.britishphotographicexhibitions.org.uk/index.php/list-of-exhibitions

For PSA Photographic Society of America
https://psa-photo.org/index.php?exhibitions-current-exhibition-list