Archives are generally grouped by month of Main Page appearance. (Currently, DYK hooks are archived according to the date and time that they were taken off the Main Page.) To find which archive contains the fact that appeared on Did you know, go to article's talk page and follow the archive link in the DYK talk page message box.
...that when Edwin J. Cohn gave public demonstrations of the newly-invented blood fractionation machine, he used his own freshly-drawn blood which, when the machine exploded after clogging, led to the first several rows of the audience being covered in blood?
...that although archaeologists in Singapore have discovered many artifacts, they do not have government support for their work, and there is no centralised place to store the artifacts?
...that The Stewardesses, the most profitable 3-D film in history, was notorious for still being edited during the first year of its showing in theaters?
...that a private citizen, Avabai Jamsetjee Jeejeebhoy, entirely funded the construction of the Mahim Causeway, a major thoroughfare connecting the island city of Mumbai (Bombay) with its north-western suburbs?
...that the SS leader Felix Landau temporarily spared the life of the Jewish artist Bruno Schulz, because Landau liked his art and wanted the artist to paint a set of murals for his young son's bedroom?
...that in the Night Attack skirmish, Vlad III Dracula is said to have been "one of the first European crusaders to use gunpowder in a deadly artistic way"?
...that Camille Gravel, a LouisianaDemocrat and civil rights advocate, was highly influential in state and national politics despite never holding office?
...that the Battle of the Lower Dnieper is considered to be one of the largest battles in world history, involving almost 4 million men on both sides and stretching on a front 1,400 km wide?
...that the calls of the Red-throated Ant-tanager, a noisy passerine bird native to the Caribbean, include a scolding raaah or nasal pip pik, and the song is a throaty whistled cherry quick cherry quick cherry quick cherry quick?
...that Isaac Newton was so unhappy with the publication of his Arithmetica Universalis, he considered buying all the copies of the first edition so he could destroy them? Arithmetica
...that the sepoys lost the Central India Campaign (1858) because most of their officers were elderly men who had attained rank through seniority while seeing little action and receiving no training as leaders?