The following events occurred in December 1917:
British General Edmund Allenby enters Jerusalem.
Sidónio Pais, dictator of Portugal.
A view of devastated Halifax, Nova Scotia following the explosion after explosives on a crippled ship ignited in the harbour.
German troops capture a British tank during the Battle of Cambrai.
The following events occurred in January 1917:
The intercepted Zimmermann Telegram
Latvian riflemen in the trenches during the Christmas Battles.
British infantry at the Battle of Rafa.
Silent Sentinels picketing the White House