July 4th

2012
Discovery of Higgs boson particle is announced by scientists at the European Organization for Nuclear Research (CERN). The existence of the elusive elementary particle in physics, was suggested in the 1960s. The Higgs boson, which is named after Nobel laureate, Peter Higgs, was finally detected by scientists working at the Large Hadron Collider.
CERN
1997
The U.S. Pathfinder probe landed on Mars.
Mars Pathfinder
1976
The United States celebrated its bicentennial.
United States Bicentennial
1966
Freedom of Information Act in the US is signed into law. The 36th President of the United States, Lyndon B. Johnson signed the law, which allows for the disclosure of government information to the public. It came into effect a year later in 1967.
Freedom of Information Act (United States)
1946
Philippines gains independence from the United States. The South East Asian country had been ruled for almost 381 years by various colonial powers, starting with the Spanish in the early 16th century.
History of the Philippines (1946–65)
1939
Lou Gehrig, stricken with ALS, made his farewell at Yankee Stadium.
Lou Gehrig
1934
Hungarian physicist Leo Szilard patents the chain-reaction design for the atomic bomb.
Leo Szilard
1895
Katharine Lee Bates published America the Beautiful.
America the Beautiful
1884
The Statue of Liberty was presented to the United States in Paris.
Statue of Liberty
1865
Alice in Wonderland is published for the first time. The classic fantasy novel was written by author Lewis Carroll, whose real name was Charles Lutwidge Dodgson. The book recounted the adventures of a curious girl, Alice, who falls into a rabbit hole and meets human-like animals and creatures.
Alice's Adventures in Wonderland
1862
Lewis Carroll first told the story of Alice's Adventures Underground to the Liddell sisters.
Alice's Adventures in Wonderland
1845
Henry David Thoreau moved into his shack on Walden Pond.
Walden
1838
Huskar Colliery Mining Disaster in Silkstone England: mining pit floods drown 26 children, leads to 1842 'Mines and Collieries Act' bans women and children working underground.
Pit brow women
1831
Former president James Monroe died.
James Monroe
1826
Former presidents John Adams and Thomas Jefferson both died.
List of Presidents of the United States by date of death
1803
The Louisiana Purchase is announced to the American people.
Louisiana Purchase
1785
James Hutton, geologist, publicly reads an abstract of his theory of uniformitarianism for the first time at the meeting of the Royal Society of Edinburgh.
Charles Lyell
1776
United States Declaration of Independence is adopted in Philadelphia. The statement declared the independence of the 13 British colonies from the British crown. It also announced the creation of a new country called the United States of America. Then handwritten declaration was approved by the Second Continental Congress and was signed by 56 delegates on August 2, 1776.
United States Declaration of Independence