April 21

In literary history

• 1910Mark Twain died of heart failure, having predicted it precisely a year earlier: he had come into the world with Halley's Comet in 1835 and expected to go out with it. The comet reached perihelion the day before.

Writers born on April 21

• Charlotte Brontë (1816)

The Daily Canon for April 21

Jane Eyre by Charlotte Brontë (1847).