Back to Activities / PhD Seminars 23sep202017:00ONLINE: Black Swans, Dragon Kings and Gray Rhinos: The World War of 1914-1918 and the Pandemic of 2020-?Niall Ferguson (Hoover Institution)17:00 Activity:IMHOS Economic History seminar Event Details Event Details International Macro History Online Seminar Registration HERE. SpeakerNiall Ferguson (Hoover Institution) Time(Wednesday) 17:00 Calendar GoogleCal