3 events with tag "Firstenberg"
1918
ID: 1268
Spanish flu pandemic begins (Firstenberg correlates with global expansion of radio technology during WWI)
ID: 1268
1919
ID: 1278
Spanish flu pandemic peaks and ends (Firstenberg correlates with end of WWI radio expansion)
ID: 1278
1968
ID: 1853
Hong Kong flu pandemic begins (Firstenberg links to expansion of satellite communications)
ID: 1853