Historical Events Apr 6 France & Saxony sign alliance Famous Birthdays Apr 6 Arvid Horn, Swedish statesman (d. 1742) Apr 30 François Louis, Prince of Conti, French general, born in Hôtel de Conti, Paris (d. 1709) Famous Deaths Apr 4 Adam Willaerts, Dutch seascape painter, dies 1663 History by Year 1665