wikipedia.org

16E4d TIL that several filmmakers documented the construction of the Gateway Arch in hopes that the legs wouldn’t meet. To insert the keystone, firehoses had to cool the arch due to thermal expansion and the legs had to be hydraulically jacked apart.
dDngB TIL that Franklin W. Dixon the author of The Hardy Boys novels isn’t an actual person but rather the pen name of a team of writers.
oR80E TIL G. K. Chesterton loved to engage in friendly public debates with such men as George Bernard Shaw, H. G. Wells and Bertrand Russell. According to his autobiography, he and Shaw played cowboys in a silent film that was never released.