Events
1496 – References in Leonardo da Vinci notebooks suppose that he tested his flying machine.
1521 – Pope Leo X excommunicated Martin Luther.
1825 – The first engineering college in the USA opened.
1871 – Oleomargarine was patented.
1924 – The sarcophagus of Tutankhamen was discovered.
1957 – The first electric watch was introduced.
1988 – Margaret Thatcher became the longest-serving British Prime Minister in the 20th century.
2004 – NASA’s Spirit rover landed on Mars.
