Seasons
1914 - Europe Goes To War
22 Episodes
1915 - Stalemate
53 Episodes
1916 - The Year of Battles
52 Episodes
1917 - The Year of Revolutions
52 Episodes
1918 - The Year of Breakthroughs
46 Episodes
1919
22 Episodes
1920
23 Episodes
Season 8
23 Episodes
Season 9
12 Episodes
Season 10
10 Episodes
Season 11
15 Episodes
Season 12
12 Episodes
