Venus de Milo
Apr 8 The famous ancient Greek statue, Venus de Milo is discovered on the Aegean island of Milos
- Apr 12 Alexander Ypsilantis is declared leader of Filiki Eteria, a secret organization founded in Odessa to overthrow Ottoman rule of Greece
Electromagnetism
Apr 21 Danish scientist Hans Christian Ørsted is the first to identify electromagnetism, when he observes a compass needle