No one has ever really been able to topple the seven-day week. French revolutionaries tried to institute a ten-day week. Bolsheviks aimed for a five-day week. No one tried harder than Miss Elisabeth Achelis, a New York socialite, heir to the American Hard Rubber Company fortune, and an admirer of Melvil Dewey, he of the Dewey decimal system and si

The sun makes days, seasons, and years, and the moon makes months, but people invented weeks. What makes a Tuesday a Tuesday, and why does it come, so remorselessly, every seven days? A week is mostly made up.