Bush is the family name. The presidents were George H. W. and George W..
themillennialmirror.com/2017/01/20/which-president-inauguration-is-believed-to-have-been-the-first-one-photographed/
It signifies the president that has been elected moving into the white house.
January 20th
I am not certain what kind of inauguration you are speaking of so I am assuming you are speaking of a Presidential Inauguration in the United States of America. In that case, President John F. Kennedy would have been the first. He was inaugurated as President on January 20, 1961.
Inauguration Day has been January 20 since Franklin D. Roosevelt's second inauguration in 1937. From 1793 through 1933, Inauguration Day had been March 4. The 20th Amendment to the U. S. Constitution, which was ratified in January, 1933, changed not only the Inauguration Day of the President and Vice President but also changed the date on which the terms of Senators and Representatives begin and end from March 4 to January 3.
The first presidential inauguration known to have been photographed is the second inauguration of President Abraham Lincoln on March 4, 1865. The photographs were taken by Alexander Gardner, a prominent Civil War-era photographer.
President Obama's inauguration is the fifty-sixth official quadrennial inauguration following the national election held every four years. This tally does not include the inaugurations of successor presidents to serve out the terms of presidents who have been assassinated, died in office, or resigned.
No US President has been born in Alabama yet.
George Washington was the only US president who's inauguration ceremony was held in New York. April 30, 1789 at New York's Federal Hall. John Adam's inauguration was in Philadelphia, after that inauguration have been help in Washington DC.
The date of the U.S. Presidential Inauguration was moved to January 20 beginning in 1937 (Inauguration Day had been March 4 from Washington's time through 1933).
The inauguration takes place in Washington, DC. Every US President since Thomas Jefferson has been inaugurated there.
Every US President (since FDR's second term) has been inaugurated on 20 January.