Tennis Court Oath Tennis Court Oath On 20 June 1789, the members of the French Third Estate, who had begun to call themselves the National Assembly, took the Tennis Court Oath (), vowing "not to separate, and to reassemble wherever circumstances require, until the constitution of the kingdom is established". It was a pivotal event in the French Revolution. The Estates-General had been called to address the country's fiscal and agricultural crisis, but immediately after convening in May 1789, they had become bogged down in issues of representation—particularly, whether they would vote by head (which would increase the power of the Third Estate,
Oath of office of the President of the United States New York Robert Livingston. William Cranch, chief judge of the U.S. Circuit Court, administered the oath to Millard Fillmore on July 10, 1850, when he became president after the death of Zachary Taylor. Upon being informed of Warren Harding's death, while visiting his family home in Plymouth Notch, Vermont, Calvin Coolidge was sworn in as president by his father, John Calvin Coolidge Sr., a notary public. Federal Judge Sarah T. Hughes administered the oath of office to Lyndon B. Johnson aboard Air Force One after John F. Kennedy's assassination on November 22, 1963. This was the first (and to date