2^nd September

• 1752 - The United Kingdom adopts the Gregorian calendar, nearly two centuries later than most of Western Europe.
• 1969 - The first automatic teller machine in the United States is installed in Rockville Center, New York.
• 2005 - The Natural Bridge, a very popular tourist attraction in Aruba, collapses after thousands of years in good condition.

3^rd September

• 1995 - eBay founded.

4^th September

• 1957 - The Ford Motor Company introduces the Edsel.
• 1964 - Scotland's Forth Road Bridge, near Edinburgh, officially opens.

5^th September

• 1839 - The First Opium War begins in China.
• 1986 - Pan Am Flight 73 with 358 people on board is hijacked at Karachi International Airport.

6^th September

• 1997 - Princess Diana is laid to rest in front of a television audience of more than 2.5 billion.
• 2000 - The Millennium Summit takes place.
• 2003 - Tropical Depression 9 (Hurricane Isabel) formed in the Tropical Atlantic Ocean and the 9th named storm of the 2003 Atlantic hurricane season.

7^th September

• 1979 - The Entertainment and Sports Programming Network (ESPN) makes its debut.
• 1998 - Google was co-founded by Larry Page and Sergey Brin while they were students at Stanford University

8^th September

• 1504 - Michelangelo's David is unveiled in Florence.
• 1966 – The first episode of the science fiction television series Star Trek airs.
• 1986 - The first Oprah Winfrey Show airs.
• 2004 - The NASA unmanned spacecraft Genesis crash-lands when its parachute fails to open.

10^th September

• 1951 - United Kingdom began an economic boycott of Iran.
• 1987 - At his residence in Afghanistan, Osama bin Laden launches al Qaeda.
• 2006 - Michael Schumacher announced his retirement as a driver.

11^th September

• 1906 - Mahatma Gandhi coins the term Satyagraha to characterize the Non-Violence movement in South Africa.
• 1961 - Formation of the World Wildlife Fund.
• 1997 - NASA's Mars Global Surveyor reaches Mars.
• 2001 - The September 11 attacks destroy the World Trade Center in New York City and the western wall of The Pentagon in Arlington, Virginia, and crash a passenger airliner in Shanksville, Pennsylvania. In total, 2,974 people are killed.

13^th September

• 1503 - Michelangelo begins work on his David.
• 1956 - IBM introduces the first computer disk storage unit, the RAMAC 305.

14^th September

• 1997 - Google first registers the domain google.com.
• 2000 - Microsoft introduced the last update to the OS, MS-DOS. (Version 8.0)
• 2000 - Windows Me is released.

16^th September

• 1963 - Malaysia is formed from Malaya, Singapore, British North Borneo (Sabah) and Sarawak.

17^th September

• 1956 - Television was first broadcast in Australia.
• 1991 - The first version of the Linux kernel (0.01) is released to the Internet.
• 2004 - Tamil is declared first classical language in India.

18^th September

• 1502 - Christopher Columbus lands at Costa Rica on his fourth, and final, voyage.
• 1809 - Royal Opera House in London opens.
• 1851 - The New-York Daily Times, which will become The New York Times, begins publishing.

19^th September

• 1928 - Walt Disney releases "Steamboat Willie", the best known of the early short films to feature Mickey Mouse.
• 1957 - First U.S. underground nuclear bomb test.

21^st September

• 1965 - Singapore admitted as a part of the United Nations.

22^nd September

• 1896 - Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.

23^rd September

• 1932 - The Kingdom of Hejaz and Nejd is renamed the Kingdom of Saudi Arabia.
• 1999 - NASA announces that it has lost contact with the Mars Climate Orbiter.

25^th September

• 1976 - The rock band U2 forms

26^th September

• 1966 - The first Chevrolet Camaro appeared.
• 2002 - Thirty people are killed in a shooting by terrorists at a temple in Gandhinagar, India.

27^th September

• 1998 - Google is established.

29^th September

• 1988 - NASA resumes space shuttle flights, grounded after the Challenger disaster, with STS-26.

30^th September

• 1947 - The Islamic Republic of Pakistan joins the United Nations.