26Collegia

Gladiators in Ancient Rome formed trade unions called "collegia" that would often pay for the funerals of fallen gladiators and take care of their families.
27. When relocating adult koalas to populate new areas of bush, the incoming koalas are fed a poo smoothie of local koala poo so that they would be able to digest local leaves.
28. Poe's Masque of the Red Death was inspired by a masquerade ball held in Paris during the height of a global cholera epidemic. Over 2000 attended, including a man dressed as the Personification of Cholera.
29. In 2000, a NASA plane accidentally flew over Mount Hekla, a.k.a., the Gateway to Hell in Iceland, resulting in the first-ever directly recorded plume measurements of sulfur dioxide and temperature readings taken from an actively erupting volcano.
30. Edward St. John was an Australian politician who threw away his political career in his maiden speech in 1967 when he took the opportunity to criticize his own party in order to restore the honor of a Naval Officer wrongly censured after a collision at sea.