I will report decade-long monitoring campaigns with the NASA Neil-Gehrels Swift mission of about 100 Active Galactic Nuclei (AGN). Swift has started with monitoring some AGN since 2005. This long-term monitoring project has enabled us to catch AGN in extreme high and low X-ray flux states allowing to trigger follow-up observations by XMM-Newton, NuSTAR, HST. While this program has led in the past to at least one trigger per year, no AGN was found with extreme variability. I will also give a brief overview of the causes of this extreme variability.
Patel, Tithi and Grupe, Dirk, "Decade Long Monitoring Of Active Galactic Nuclei With Swift" (2021). 2021 Celebration of Student Scholarship - Oral Presentations. 52.