Quote from AntC on May 4, 2020, 11:27 pm

Next month will see 50 years since publication of 'A Relational Model of Data for Large Shared Data Banks'. Is the industry planning a big bash? I mean a virtual/socially-distant one, of course.

I couldn't see anything on the ACM site. But I did see in passing they've made all their publications free until 30-June, as a donation to lockdown.