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
The following events occurred in February 1917:
Copy of the decoded Zimmermann Telegram by British intelligence.
British troops preparing for raids on German defences in the Ancre Valley in northern France.
The first assembly of Sámi people, in Trondheim, Norway.
French flying ace Georges Guynemer