362 BC – Battle of Mantinea: The Thebans,
led by Epaminondas,
defeated the Spartans.
414 – Emperor Theodosius
II, age 13, yields power to his older sister Aelia Pulcheria,
who reigned as regent
and proclaimed herself empress (Augusta) of the Eastern
Roman Empire.
836 – Pactum
Sicardi, a peace treaty between the Principality of Benevento and the Duchy
of Naples, is signed.
993 – Ulrich of Augsburg is canonized
as a saint.
1827 – Slavery is
abolished in New
York State
1997 – NASA's Pathfinder
space probe lands on the surface of Mars.
1998 – Japan launches the Nozomi probe to Mars, joining the United
States and Russia
as a space
exploring nation.
2004 – The cornerstone
of the Freedom Tower is laid on the site of the World Trade Center in New York City.
2005 – The Deep Impact collider hits the comet Tempel 1.
2009 – The Statue
of Liberty's crown reopens to the public after eight years of closure due
to security concerns following the September 11 attacks.
2012 – The discovery of
particles consistent with the Higgs boson at the Large Hadron Collider is announced at CERN.