Azure leap year outage is a famous one. https://azure.microsoft.com/en-us/blog/summary-of-windows-azure-service-disruption-on-feb-29th-2012/ https://azure.micr

Azure leap year outage is a famous one. https://azure.microsoft.com/en-us/blog/summary-of-windows-azure-service-disruption-on-feb-29th-2012/ https://azure.microsoft.com/en-us/blog/summary-of-windows-az...