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 ceremonies to mark the commencement of a new four-year presidential term, plus an additional nine marking the start of a partial presidential term following the intra-term death or resignation of an incumbent president. With the 2017 inauguration of Donald Trump, the presidential oath has been taken 75 different times by 44 persons. This numerical discrepancy results chiefly from two factors: a president must take the oath at the beginning of each term of office, and, because Inauguration Day has sometimes fallen on a Sunday, five presidents have taken the oath privately before the public inauguration ceremony. In addition, three have