Tax day quotes, songs, links and advice, filing an extension, and the 1967 cartoon version of the Beatles' Taxman. Related: Death and Taxes... and Zombies: Tax implications of the zombie apocalypse.
The Titanic sunk on this day in 1912 - here's an eyewitness account.
It's Leonardo da Vinci’s birthday. Here's his handwritten resume from 1482.
ICYMI, Tuesday's links are here, and include the 150th anniversary of Lincoln's assassination, romance novel covers re-enacted by real people, a KKK application from the 1920's (you had to be recommended by a friend first, though), and the status of woolly mammoth cloning efforts.