/u/mictlantecuhtli answered "How much do we know about the Teuchitlan Tradition's societal structure and how it was reflected in the layout of their settlements?"

/u/papiriuscursor on "Why did roman soldiers wear those brushes on their helmets?"

/u/Snapshot52 answered "I am in a class with a student who is adamant that the US Government is not responsible for the death of Native Americans, and has claimed there was no genocide- just unintentionally introduced germs. How correct is he?"

/u/Bernardito answered "Who were the vietcong defecting Kit Carson Scouts and what was their impact"

/u/iguana_on_a_stick answered "How much do we know about the historical Boudica, and how much is hagiography/myth-making in later days?"

/u/LukeInTheSkyWith answered "Opium was hot stuff in 19th century England. What effect did this have on culture and society?"

/u/Georgy_K_Zhukov answered " Dr. Karl Köller (credited with discovering anesthetic effects of cocaine), was challenged to a duel after having to suffer through an anti-semitic attack on his person, in 1885, Vienna. Were Jewish men of the time at higher risk for ending up in a duel, thanks to anti-semitic moods in the society?"

u/hborrgg on "When and why armour declined in use?".

/u/malvolio1 answered "In the documentary, The Great War (BBC 1964 Part 1), The narrator seems to imply that WW1 was a foreseen inevitability by many influential leaders of the time. Was the oncoming conflict truly that obvious?"

/u/ianwill93 answered "I'm a Royal Princess in Ancient Egypt. What Do I Do with My Time?"

/u/rtarcher answered "How was the English Reformation so popularly succesful, such that only a century after the Act of Supremacy local communities were gripped in terror of "popish plots"?"

/u/Ferrous-Bueller answered I've recently heard people argue that the founders created the role of "electors" in the Electoral College so that a populist candidate could be denied the Presidency if he were to win the election. Is this true and, if not, what was their actual intended purpose?

/u/mikedash answered How effective and reliable were pigeons as means of communication in WWI? Is it possible to estimate how much was lost/miscommunicated in their use? How were they trained?

These two really caught my eye and were engrossing.