I think it was germany and they gained an alliance right before ww1
They were very mean to people.
Debris seems like it fits well <span />
Apparently, she wrote some dirty jokes in her diary.
You don't show options, so here are the different definitions
1. "the study of past events, particularly in human affairs."
2. "the whole series of past events connected with someone or something."
3. "a continuous, typically chronological, record of important or public events or of a particular trend or institution."