Events from 1400

Medici bank pioneers double-entry bookkeeping for international branches - creating internal law of accounts, foundation for corporate accounting

Epiphany Rising fails - attempt to restore Richard II crushed, conspirators executed

Owen Glendower proclaimed Prince of Wales - Welsh rebellion begins, lasts 15 years

Joseon Dynasty adopts Neo-Confucianism as state ideology, begins suppressing Buddhism

Venetian spice markup reaches 4000% - nutmeg bought for 1 ducat in Alexandria sold for 40+ ducats in Europe

Cloves grow only on five tiny Moluccan islands - Ternate and Tidore control world's clove supply, sultans become fabulously wealthy

Spice taxes provide third of Mamluk revenue - Sultan's monopoly charges duties at Jeddah, Suez, Cairo, and Alexandria

Death of Richard II at Pontefract Castle - starved or murdered, Henry IV displays body to prove death