Below is a list of organised activities I either attended or seriously intended to attend. The list starts at October 2020 and is in reverse order.
Sommersemester 2023
Monday  Tuesday  Wednesday  Thursday  Friday  

10–12  10^{15} RTG seminar (NU3.05) 

12–14  
14–16  14^{15} PhD Seminar: Local Langlands (SU3.02) 
14^{15} Forschungsseminar: The Milnor Conjectures (NU3.05) 

16–18  16^{15} Tea break 16^{45} Oberseminar (NU3.05) 
 Workshop on Mathematical Writing: May 12
 Arithmetic of Lfunctions: Madrid, May 22–26
 Talk in the PhD seminar: The Langlands Correspondence, June 21
 Iwasawa 2023: in memory of John Coates: University of Cambridge, 17–21 July 2023
 QuINGs 2023: West Lexham, Norfolk, UK, 30 August – 1 September 2023
 Kleine AG on Modularity Lifting Theorems: Bonn, 9 September 2023
Wintersemester 2022/23
Monday  Tuesday  Wednesday  Thursday  Friday  

10–12  10^{15} RTG seminar (NU3.05) 

12–14  
14–16  Regensburg Oberseminar: Iwasawa main conjecture for totally real fields  14^{15} Forschungsseminar: The Emerton–Gee stack (NU3.05) 

16–18  16^{15} PhD Seminar: Algebraic Groups (NU4.05) 
16^{15} Tea break 16^{45} Oberseminar (NU3.05) 
 Stay at IISc Bangalore, October 25 – December 2
 Talk in the PhD seminar: Abstract Root Data, January 25
 Talk in the RTG seminar: Integrality of smoothed padic Artin Lfunctions, January 12
 Talk in the Seminar des SFB/TRR 326 GAUS in Heidelberg, February 3
 Number theory meets padic representations: Münster, February 13–17
 Spring School on Nonarchimedean Geometry and Eigenvarieties: Heidelberg, March 6–17
 PhD Days: Essen, March 27–28. Title of my talk: Nonsingularity of Matrices over Skew Fields.
Sommersemester 2022
Monday  Tuesday  Wednesday  Thursday  Friday  

10–12  10^{15} RTG seminar (NU3.05) 
10^{15} PhD Seminar: Deformation Theory (NU4.05) 

12–14  12^{00} Rigid Meromorphic Cocycles (O3.46) 

14–16  14^{15} Masterseminar: Galois module structure (SU3.01) 
14^{15} Forschungsseminar: The derived Hecke algebra for dihedral weight one forms (NU3.05) 

16–18  16^{15} Rigid Meromorphic Cocycles Exercises (NU4.04) 
16^{45} Oberseminar (NU3.05) 
 Talks in the Galois module structure seminar: Weakly ramified extensions I and II, June 22 and 29
 Talk in the PhD seminar: Deformations of Galois representations II – lifting Galois representations, July 8
 Number Theory and Algebraic Geometry, ICM sectional workshop, ETH Zürich, July 11–14
 Young Researchers in Algebraic Number Theory (YRANT), Glasgow, August 23–25
 School on Arithmetic Geometry, Essen: September 5–9
 Elliptic curves and modular forms in arithmetic geometry, Milano: September 12–16
 Seminar on special values of Lfunctions: Bielefeld, September 21
Wintersemester 2021/22
Monday  Tuesday  Wednesday  Thursday  Friday  

10–12  10^{15} RTG seminar (NU3.05) 

12–14  12^{00} Cyclotomic Fields and Iwasawa Theory (SU3.03) 
12^{00} Cyclotomic Fields and Iwasawa Theory (SU3.03) 

14–16  14^{30} PhD Seminar: Shimura Varieties (SU4.02) 
14^{30} Cyclotomic Fields and Iwasawa Theory Exercises (SU3.03) 
14^{15} Forschungsseminar: Irrationality proofs of zeta values (NU3.05) 

16–18  16^{45} Oberseminar (NU3.05) 
 PhD Days: October 7–8. Title of my talk: Towards the integrality of the padic Lfunction.
 Arizona Winter School: March 5–9
 Workshop on Good Scientific Practice: March 22
Sommersemester 2021
Monday  Tuesday  Wednesday  Thursday  Friday  

8–10  
10–12  10^{15} RTG seminar  
12–14  
14–16  14^{15} BabySeminar: Formal & rigid geometry  14^{15} Forschungsseminar: Condensed maths (moodle)  
16–18  16^{45} Oberseminar 
 Spring School towards a mod p Langlands correspondence, Essen (online), April 26–30
 My slides for the 3rd talk in this term's BabySeminar: Affinoid Algebras and Affinoid Spaces.

My slides for the 10th talk in this term's Forschungsseminar: Discrete Adic Spaces (Globalisation I).
See also: Regensburg seminar, Sanath Devalapurkar’s notes (Harvard seminar)  Neubiberger ZahlentheorieTage Herbst 2021 (September 30 – October 1)
Wintersemester 2020/21
Monday  Tuesday  Wednesday  Thursday  Friday  

8–10  
10–12  10^{00} Brumer–Stark seminar  10^{15} RTG seminar  
12–14  
14–16  14^{15} Forschungsseminar: padic Jacquet–Langlands  
16–18  16^{00} BabySeminar: Crystalline & prismatic cohomology  16^{45} Oberseminar 
 My slides for the 1st talk in this term's BabySeminar: Divided Powers I.
 My slides for the 5st talk in the Brumer–Stark research seminar: Some reduction steps and the Ritter–Weiss module.