WWI; "Luneville, where a big Zeppelin dirigible dropped a quantity of high explosives in the early hours of Aug 4th (1914), killing 15, injuring a score, and badly damaging the town." -Laird & Lee's world's war glimpses, 1914. - Archive.org
Nazi Germany. Steve and Bucky. Sent to America. Schooling paid for by SHIELD. Watched out for by Fury. She wasn't human so when Cap is unfrozen, she is reunited with him and asks about Bucky. She is both excited and scared for him when Steve (the good soul he is, unable to lie) tells her about Bucky and the Winter Soldier. It was a group effort between Tony, Steve, and Nat to teach her how to effectively pilot a helicopter.