Data for 1557
In the year 1557, Spanish forces launch a surprise attack against the indigenous Mapuche in present-day Chile (Apr 30), Mary I of England joins her husband Philip II of Spain in his war against France (Jun 7), Spain becomes bankrupt, throwing the German banking houses into chaos, the Portuguese settle permanently in Macau with the permission of the Ming dynasty government, the Welsh mathematician Robert Recorde publishes The Whetstone of Witte, containing the first recorded use of the equals sign and also the first use in English of plus and minus signs - and all these fine people were born: Continue reading