How Old Was I On A Certain Date Calculator

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Past Age Calculator.

Calculate Your Age on a Specific Date

Your Date of Birth
Day MonthYear
January February March April May June July August September October November December
Date in Past to Calculate Your Age On
Day MonthYear
January February March April May June July August September October November December
Your Results
At the Above Time, Your Age Was
Your Age in Days Was
Your Age in Hours Was
Your Age in Minutes Was

Usage Instructions

This calculator automatically grabs the current date from your computing device & asks you to enter your date of birth. After entering your birth day, change the second date in the calculator to the date in the past you wanted to see your age on. Then click on the submit button & it will automatically calculate your exact age on that specified date when something happened in years, days, hours & minutes.

Turning Back the Clock

Fountain of Youth Cartoon.

Important Dates in Recent History & Ancient History

Where events happen across a range of dates the first date is used for age calculation. If only a month is known then the first day of the month is used. If only the year is known then the first day of the year is used. The Romans used the Calendar of Numa, which included only 355 days in each year. The Gregorian calendar was introduced in October of 1582.

Date Event Your Age Then
January 31, 2020 United Kingdom leaves the European Union
January 23, 2020 China imposed a quarantine on travel in or out of Wuhan, Huanggang & Ezhou in response to a novel coronavirus outbreak which later came to kill millions people and infect over 100 million people globally. On January 30th the World Health Organization declared the coronavirus a global health emergency.
June 23, 2016 United Kingdom European Union membership referendum, UK electorate voted to leave the EU by a margin of 51.89% to 48.11%
September 17, 2011 Beginning of Occupy Wall Street movement
March 11, 2011 Tōhoku earthquake and tsunami, which lead to meltdowns at the Fukushima Daiichi Nuclear Power Plant
December 17, 2010 Arab Spring begins
January 9, 2009 Satoshi Nakamoto published bitcoin whitepaper
2007-2009 Global financial crisis caused by popping of United States subprime mortgage driven housing bubble. The bear market in U.S. stocks began on October 9, 2007 & ended on March 9, 2009.
June 29, 2007 Steve Jobs announced the iPhone, ushering in the mobile web
December 26, 2004 Indian Ocean earthquake & tsunami
August 19, 2004 Google (later Alphabet) has initial public offering at $85 per share, priced in a Dutch auction.
March 20, 2003 Iraq War begins
September 11, 2001 9/11 attacks on the World Trade Center & Pentagon in the United States
January 15, 2001 Wikipedia founded by Jimmy Wales & Larry Sanger
March 10, 2000 Dot com bubble peak
January 10, 2000 AOL & Time Warner merged
November 12, 1999 President Clinton signed the Financial Services Modernization Act that repealed Glass-Steagall, setting stage for the great recession less than a decade later
January 1, 1999 Euro launched
November 20, 1998 launch of the International Space Station
September 4, 1998 Larry Page & Sergey Brin found Google
August 29, 1997 Reed Hastings & Marc Randolph found Netflix
July 1, 1997 United Kingdom transfers sovereignty of Hong Kong to the People's Republic of China
August 9, 1995 Netscape commenced their IPO listing on Nasdaq, marking the beginning of the web-fueled tech stock bubble
January 1, 1995 World Trade Organization commenced
July 5, 1994 Jeff Bezos founds Amazon.com
January 23, 1993 Marc Andreessen released xmosaic 0.5 web browser
April 27, 1994 South Africa holds multiracial election, ending apartheid with the election of Nelson Mandela
February 7, 1992 Maastricht Treaty signed, created the European Union
December 26, 1991 Soviet Union dissolution
August 6, 1991 Sir Tim Berners-Lee announces his invention of the World Wide Web on the alt.hypertext newsgroup
November 9, 1989 fall of the Berlin Wall
June 4, 1989 Tiananmen Square Massacre
October 19, 1987 Black Monday - 22.61% crash in the Dow Jones Industrial Average
April 26, 1986 Chernobyl disaster - catastrophic nuclear accident
April 23, 1984 Margaret Heckler, Secretary of Health and Human Services announces the discovery of HIV as the "probable" cause of AIDS
September 26, 1983 Soviet Air Defence Forces lieutenant colonel Stanislav Petrov saved the world from nuclear war
April 1, 1976 Steve Jobs & Steve Wozniak found Apple
April 30, 1975 Fall of Saigon, end of the Vietnam War
April 4, 1975 Bill Gates & Paul Allen found Microsoft
October 6–25, 1973 Yom Kippur War
January 22, 1973 United States Supreme Court rules on Roe v. Wade
January 11, 1973 Beginning of 1973-74 stock market crash which lasted until December 6, 1974 & popped the bubble in the Nifty Fifty "one-decision" blue chip stocks which traded at exceptionally high P/E ratios
June 17, 1972 - September 8, 1974 Watergate scandal
January 30, 1972 Northern Ireland Bloody Sunday
November 15, 1971 Intel advertises their 4004 microprocessor - the first commercially available computer processo - in Electronic News
August 15, 1971 President Nixon closed the gold window
November 17, 1970 Douglas Engelbart patented the computer mouse
May 4, 1970 Ohio National Guard Kent State shootings
August 15–18, 1969 Woodstock Music & Art Fair
July 20, 1969 Apollo 11 lunar landing
June 21, 1968 Bob Taylor approved ARPANET computer network plan - an early packet-switching network and the first network to implement the TCP/IP protocol suite
April 4, 1968 Martin Luther King Jr. assasinated
November 22, 1963 John F. Kennedy assasinated
August 28, 1963 Martin Luther King Jr.'s "I Have a Dream" speech
October 16–28, 1962 Cuban Missile Crisis
November 1, 1955 Vietnam War begins
July 29, 1958 National Aeronautics and Space Administration formed
December 1, 1955 Rosa Parks refused to give up her bus seat to a white man in Montgomery, Alabama.
May 14, 1955 Warsaw Pact
May 17, 1954 United States Supreme Court rules on Brown v. Board of Education
December 10, 1949 Mao Zedong's People's Liberation Army laid siege to Chongqing and Chengdu. Chiang Kai-shek fled to Taiwan
April 4, 1949 NATO formed
January 30, 1948 Mahatma Gandhi assasinated
August 14, 1945 Japan's Emperor Shōwa's accepts the Potsdam Declaration
August 9, 1945 United States drops nuclear bomb on Nagasaki
August 6, 1945 United States drops nuclear bomb on Hiroshima
June 26, 1945 United Nations formed
May 8, 1945 World War II in Europe & The Holocaust end
June 6, 1944 D-Day - Normandy landings
December 7, 1941 Japan attacks Pearl Harbor
June 22, 1941 Operation Barbarossa - Germany invades the Solviet Union
September 1, 1939 Germany invades Poland
March 12, 1938 Anschluss - Nazi Germany annexation of Austria
July 7, 1937 Second Sino-Japanese War begins
May 6, 1937 The Hindenburg explodes
December 26, 1933 Edwin H. Armstrong granted 5 U.S. patents for widebrand FM radio transmission
July 28, 1932 Bonus Army conflict
January 30, 1930 Adolph Hitler appointed Chancellor of Germany
October 29, 1929 Wall Street Crash of 1929 begins Great Recession
September 28, 1928 Alexander Fleming discovers penicillin, the first antibiotic
September 23, 1928 Philo Farnsworth demonstrates electronic television to press
November 11, 1918 Armistice Day - end of WW1
December 18, 1917 18th Amendment to the United States Constitution prohibits "intoxicating liquors"
November 7-8, 1917 Bolshevik's October Revolution creates Soviet Russia
June 28, 1914 Archduke Franz Ferdinand II assasinated in Sarajevo - begin WW1
December 23, 1913 President Woodrow Wilson signed the Federal Reserve Act
December 13, 1913 Wilbur and Orville Wright's first flight
October 1, 1908 First Model T Ford completed
June 30, 1908 Tunguska event - explosion in Russian forest area believed to be caused by an air burst of a meteor
May 13, 1897 Guglielmo Giovanni Maria Marconi sent the first ever wireless communication over open sea, leading to the development of commercial radio broadcasting
October 14, 1878 Thomas Edison filed his first patent application for "Improvements in Electric Lights"
March 10, 1876 Alexander Graham Bell made first telephone call
January 3, 1868 The Meiji Restoration: Shogun rule in Japan ended, restoring imperial rule
August 20, 1866 President Andrew Johnson signed a Proclamation—Declaring that Peace, Order, Tranquillity, and Civil Authority Now Exists in and Throughout the Whole of the United States of America
April 14, 1865 President Abraham Lincoln assassinated by John Wilkes Booth
January 1, 1863 President Abraham Lincoln issued the Emancipation Proclamation
April 12, 1861 American civil war began
November 24, 1859 Charles Darwin publishes "On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life"
July 19-20, 1848 Woman’s Rights Convention in Seneca Falls, NY begins the Women's Suffrage movement, which would last until 1920
February 21, 1848 Karl Marx and Friedrich Engels publish "The Communist Manifesto"
1845 — 1847 Railway mania bubble across the United Kingdom
May 24, 1844 Samuel F. B. Morse sends "WHAT HATH GOD WROUGHT" telegraph message to Alfred Vail
August 29, 1831 Michael Faraday created the electric generator
July 5, 1830 France begins occupation & colonization of Algiers
July 23, 1829 William Austin Burt received U.S. patent No. 5581X covering his “typographer.”
June 2, 1825 Bubble Act of 1720 repealed, setting stage for Railway Mania
1816 Joseph Nicéphore Niépce captured negatives inventing the first permanent photograph of a camera image
February 21, 1804 Locomotive using Richard Trevithick’s ‘Pen-y-derren’ steam engine hauls 10 tons of iron, 5 wagons and 70 men 9.75 miles
May 18, 1803 - November 20, 1815 The Napoleonic Wars
May 5, 1789 - November 9, 1799 French revolution
July 4, 1776 United States Congress approved the Declaration of Independence
March 9, 1776 Adam Smith published "An Inquiry into the Nature and Causes of the Wealth of Nations"
April 19, 1775 - September 1783 American Revolutionary War
December 16, 1773 The Boston Tea Party
1712 Thomas Newcomen invented the steam engine
1711 South Sea Company formed, a British joint-stock company established to reduce the cost of the national debt. It would lead to the South Sea Bubble crash in 1720
February 3, 1637 Tulip bulb contracts reached their mania peak before crashing
1631 - 1653 Mughal Emperor Shah Jahan begins building the Taj Mahal in 1631. He opens the mausoleum for his favorite wife Mumtaz Mahal in 1648 & the building is completed in 1653
October 2, 1608 Hans Lippershey files patent for telescope
October 31, 1517 Martin Luther published the Ninety-five Theses / Disputation on the Power of Indulgences, marking the beginning of the Protestant Reformation, which would last until 1648
October 12, 1492 Christopher Columbus discovered America
May 29, 1453 Fall of Constantinople - Byzantine Empire comes to an end from Ottoman army attack
1440 Johannes Gutenberg creates the printing press using movable type
October 1347 Black death: bubonic plague hits Europe through Sicilian port of Messina
1300 - 1600 The Renaissance
June 15, 1215 King John of England signed Magna Carta Libertatum, a charter of rights drafted by the Archbishop of Canterbury
Spring 1206 – August 18, 1227 Genghis Khan ruled over the Mongol Empire
April 22, 571 Muhammad born
72 - 80 Roman Colosseum built
April 5, 33 Resurrection of Jesus
April 3, 33 Crucifixion of Jesus
~ 6 BC - 4 BC Jesus of Nazareth born
January 16, 27 BC - March 17, 180 Pax Romana - peace across the Roman Empire
336-323 BC Alexander the Great rules as king of Macedon
480–400 BC life of Gautama Buddha, birth of Buddhism
499–449 BC Greco-Persian Wars
551–479 BC life of Confucius (孔子), birth of Confucianism
1754 BC Code of Hammurabi, a Babylonian code of law
200,000 BC modern humans
7,000,000 - 5,000,000 BC first human ancestors appeared
4,540,000,000 BC Earth formed
13,800,000,000 BC big bang

Historical Resources

  • The 100 most important events in human history is a great starting point & if you want to drill down in different time periods, see each of the following
  • Part 1: Prehistory to 1499
  • Part 2: 1500-1799
  • Part 3: 1800-1899
  • Part 4: 1900-Present

Learning As The Memories Fade

Old Dog Cartoon.

"The memories fade Like looking through a fogged mirror Decision to decisons are made And not bought But I thought this wouldn't hurt a lot I guess not " - Kids by MGMT

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