( CNN ) -- The oath , the speech , the crowds , the celebrities , the balls . Every four years Washington celebrates the start of another presidential term . By the numbers , here 's a look at presidential inaugurations . Inauguration brings different kind of gridlock to D.C. January 20 , 2013 -- The date President Barack Obama will be sworn-in to his second term . The public ceremony will be held on Monday , January 21st . 7 -- The number of times the constitutionally-mandated inauguration date has fallen on a Sunday . 56 -- Number of formal presidential inaugural ceremonies held since 1789 . ( Obama 's upcoming inauguration will be the 57th . ) 69 -- Number of times the U.S. president has taken the oath of office . Up to 800,000 -- Estimated number of people that will attend President Obama 's second inauguration . More than 1.8 million -- Estimated number of people that attended President Barack Obama 's first inauguration on January 20 , 2009 . Historical Facts . 1789 -- Date of the first presidential inauguration , that of George Washington . It was held at Federal Hall in New York City . 6 -- The number of times the president has been inaugurated or sworn-in outside of Washington . 135 -- Number of words in George Washington 's second inaugural address , the shortest on record . 8,445 -- Number of words in William Henry Harrison 's inaugural address in 1841 , the longest on record . Harrison died one month after his inauguration , possibly from prolonged exposure to bad weather during his swearing-in . $ 4 -- The cost to attend the first inaugural ball , held in 1809 for President James Madison . 1821 -- The first year that the presidential inauguration fell on a Sunday . President James Monroe consulted with the Supreme Court and agreed that ceremonies would be held on Monday . 1901 -- The first year that the House of Representatives was involved in preparations for the inauguration . Since that date the Joint Congressional Committee on Inaugural Ceremonies has organized the inaugural ceremonies . 4 -- The number of outgoing presidents who did not attend the inauguration of their successors . Interactive : A viewer 's guide to the inauguration . Technological Firsts . 1857 -- James Buchanan 's inauguration is believed to be the first to be photographed . 1897 -- The inauguration of William McKinley is the first to be recorded by motion picture cameras . 1949 -- President Harry Truman 's inauguration is the first shown on television . 1997 -- The inauguration of President Bill Clinton is the first broadcast live on the Internet . Share your inauguration photos on iReport .
More than 1.8 million -- The number of times the constitutionally-mandated inauguration date has fallen on a 1997 . Up to 800,000 -- Estimated number of people that will attend Obama 's second inauguration . 7 -- Estimated number of people that attended Obama 's first inauguration . 1997 -- Bill Clinton inauguration is first broadcast live on the Internet .