Call for nominations for Paul Erdös Awards nominations here.
Deadline extended. See here.

Latest (June 2023) edition of Mathematics Competitions published.
Available for download here.

Conferences
2024: ICME-15, will be held in Sydney, Australia.
2024 Mini-Conference on day before ICME-15.
More information on both here.
2026: WFNMC-10: to be held in Singapore.

Russian attack on Ukraine
Declaration by WFNMC here.