Update mathdata.md

courses/mathdata.md

@@ -24,6 +24,14 @@ Announcements will be posted on the [KWARC mathematical data mailing list](http:
 
 ### Upcoming seminars:
 
+#### TBD
+
+- *Time*: Friday, July 24, 2020 from 14:00 to 15:30 (Central European Summer Time, UTC+2)
+- *Location*: online at Zoom, ID TBD
+- *Speaker*: TBD
+
+### Past seminars:
+
 ##### The Knowledge of Mathematics
 
 - *Time*: Friday, July 3, 2020 from 14:00 to 15:30 (Central European Summer Time, UTC+2)
@@ -45,8 +53,6 @@ at MR and with creation of MathML, as well as trying to understand a little bit
 of specific subjects (quantum field theory and statistical mechanics, hyperfunctions,
 non-commutative geometry, quantum stochastic processes---i.e., anti-Gauss: "multa sed immatura")
 
-### Past seminars:
-
 ##### The Role of Data in Discrete Mathematics
 
 - *Time*: Friday, June 19, 2020 from 14:00 to 15:30 (Central European Summer Time, UTC+2)