1632 - Galileo Galilei's Dialogue Concerning the Two Chief World Systems is published.
1819 - Spain renounces claims to Oregon Country, Florida (Adams-Onís Treaty)
1979 - St Lucia gains independence from Britain
1994 - Macedonia Government made decision to establish diplomatic relations between Macedonia and United Kingdom.
2011 - An earthquake measuring 6.3 in magnitude strikes Christchurch, New Zealand, killing 181 people
