Brian Gongol
Click on a column title to sort by that variable
| Individual | Year | Event | Age |
| Leonardo da Vinci | 1452 | born | |
| Leonardo da Vinci | 1477 | opens his own workshop | age 25 (about) |
| Leonardo da Vinci | 1503 | begins painting the Mona Lisa | age 49 (about) |
| Galileo Galilei | 1564 | born | |
| Galileo Galilei | 1588 | becomes lecturer in mathematics | age 24 (about) |
| Galileo Galilei | 1592 | becomes chair of mathematics at University of Padua | age 28 (about) |
| Galileo Galilei | 1593 | invents a hydraulic pump | age 29 (about) |
| Galileo Galilei | 1602 | begins experiments with the pendulum | age 38 (about) |
| Galileo Galilei | 1606 | invents primitive thermometer | age 42 (about) |
| Galileo Galilei | 1607 | discovers parabolic path of projectiles | age 43 (about) |
| Galileo Galilei | 1610 | discovers three moons of Jupiter | age 46 (about) |
| Galileo Galilei | 1633 | placed under house arrest for writing about heliocentricity | age 69 (about) |
| Galileo Galilei | 1641 | conceives the idea of a pendulum clock | age 77 (about) |
| Isaac Newton | 1642 | born | |
| Isaac Newton | 1668 | shares method of integration by infinite series with friends | age 26 (about) |
| Isaac Newton | 1687 | publishes Principia Mathematica | age 45 (about) |
| Benjamin Franklin | 1706 | born | |
| Benjamin Franklin | 1732 | starts publishing "Poor Richard's Almanac" | age 26 (about) |
| Benjamin Franklin | 1752 | conducts kite experiment | age 46 (about) |
| Benjamin Franklin | 1776 | assists in drafting Declaration of Independence | age 70 |
| John Adams | 1735 | born | |
| John Adams | 1776 | assists in drafting Declaration of Independence | age 41 (about) |
| John Adams | 1797 | inaugurated as President | age 62 (about) |
| Thomas Jefferson | 1743 | born | |
| Thomas Jefferson | 1768 | starts building Monticello | age 25 (about) |
| Thomas Jefferson | 1776 | writes Declaration of Independence | age 33 (about) |
| Thomas Jefferson | 1801 | inaugurated as President | age 58 (about) |
| James Madison | 1751 | born | |
| James Madison | 1787 | plays leading role in drafting US Constitution | age 36 |
| James Madison | 1809 | inaugurated as President | age 58 (about) |
| Benjamin Disraeli | 1804 | born | |
| Benjamin Disraeli | 1826 | writes first novel | age 22 (about) |
| Benjamin Disraeli | 1868 | becomes Prime Minister of Great Britain | age 63 |
| Mark Twain (Samuel Clemens) | 1835 | born | |
| Mark Twain (Samuel Clemens) | 1876 | publishes "Tom Sawyer" | age 41 (about) |
| Mark Twain (Samuel Clemens) | 1884 | publishes "The Adventures of Huckleberry Finn" | age 49 (about) |
| Thomas Edison | 1847 | born | |
| Thomas Edison | 1869 | undertakes inventing full-time | age 22 (about) |
| Thomas Edison | 1876 | opens research laboratory at Menlo Park | age 29 |
| Thomas Edison | 1879 | demonstrates incandescent light bulb | age 32 (about) |
| Thomas Edison | 1882 | supervises installation of Manhattan electric power system | age 35 (about) |
| Alexander Graham Bell | 1847 | born | |
| Alexander Graham Bell | 1876 | invents and demonstrates telephone | age 29 (about) |
| Alexander Graham Bell | 1881 | invents and demonstrates metal detector | age 34 (about) |
| Nikola Tesla | 1856 | born | |
| Nikola Tesla | 1887 | files seven patents for AC motors and power transmission | age 31 (about) |
| Nikola Tesla | 1890 | demonstrates wireless transmission of electricity | age 44 (about) |
| Nikola Tesla | 1893 | demonstrates AC power on large scale at Columbian Exposition | age 37 (about) |
| Nikola Tesla | 1896 | completes Niagara Falls hydroelectric power plant | age 40 (about) |
| Nikola Tesla | 1897 | files patent on basic radio transmission | age 41 (about) |
| Nikola Tesla | 1898 | demonstrates radio-controlled robotics | age 42 (about) |
| Theodore Roosevelt | 1858 | born | |
| Theodore Roosevelt | 1889 | writes "The Winning of the West" | age 31 (about) |
| Theodore Roosevelt | 1898 | elected governor of New York | age 40 (about) |
| Theodore Roosevelt | 1901 | inaugurated President | age 42 |
| Wilbur Wright | 1867 | born | |
| Wilbur Wright | 1903 | first powered flight | age 36 (about) |
| Orville Wright | 1871 | born | |
| Orville Wright | 1903 | first powered flight | age 32 (about) |
| Winston Churchill | 1874 | born | |
| Winston Churchill | 1898 | publishes first books | age 24 (about) |
| Winston Churchill | 1900 | elected to Parliament | age 26 (about) |
| Winston Churchill | 1911 | appointed First Lord of the Admiralty | age 37 (about) |
| Winston Churchill | 1940 | becomes Prime Minister of Great Britain | age 65 |
| Albert Einstein | 1879 | born | |
| Albert Einstein | 1905 | publishes first paper on theory of relativity | age 26 (about) |
| Barry Goldwater | 1909 | born | |
| Barry Goldwater | 1960 | writes "Conscience of a Conservative" | age 51 |
| Barry Goldwater | 1964 | runs for President | age 55 |
| Milton Friedman | 1912 | born | |
| Milton Friedman | 1940 | completes doctoral dissertation | age 28 (about) |
| Milton Friedman | 1962 | writes "Capitalism and Freedom" | age 50 (about) |
| Milton Friedman | 1963 | writes "A Monetary History of the United States" | age 51 (about) |
| Margaret Thatcher | 1925 | born | |
| Margaret Thatcher | 1959 | elected to Parliament | age 34 |
| Margaret Thatcher | 1979 | becomes Prime Minister of Great Britain | age 53 |
| Warren Buffett | 1930 | born | |
| Warren Buffett | 1945 | buys 40 acres of farmland | age 14 |
| Warren Buffett | 1964 | personal net worth about $4 million | age 34 (about) |
| Warren Buffett | 1965 | takes over Berkshire Hathaway | age 35 (about) |
| Bill Gates | 1955 | born | |
| Bill Gates | 1975 | founds Microsoft | age 20 (about) |
| Bill Gates | 2000 | establishes charitable foundation | age 45 (about) |
| Bill Gates | 2008 | retires from Microsoft | age 53 (about) |
| Wolfgang Amadeus Mozart | 1756 | born | |
| Wolfgang Amadeus Mozart | 1762 | first concert tour | age 06 |
| Wolfgang Amadeus Mozart | 1764 | first composition | age 08 |
| Wolfgang Amadeus Mozart | 1764 | first solo concert | age 09 |
| Wolfgang Amadeus Mozart | 1768 | first opera | age 12 |
| George Washington | 1732 | born | |
| George Washington | 1775 | becomes commander-in-chief of the Continental Army | age 43 |
| George Washington | 1789 | inaugurated as President | age 57 |
| Booker T. Washington | 1856 | born | |
| Booker T. Washington | 1881 | opens Tuskeegee Institute | age 25 |
| Booker T. Washington | 1901 | writes "Up From Slavery" | age 45 (about) |
| Orville Wright | 1871 | born | |
| Orville Wright | 1903 | first powered flight | age 32 |
| Wilbur Wright | 1867 | born | |
| Wilbur Wright | 1903 | first powered flight | age 36 |