No, however there has been only one unmarried president, James Buchanan Fifteenth President of the United States.
The only US President to never marry was James Buchanan.
No, but every president has had one.
Every four years.
Abigail Adams, and Barbara Bush were both the wife and mother of a US President.
The only US President to marry a divorcee was Ronald Reagan.
Every 4 years.
The US President and Vice-President are both inaugurated on 20 January every 4 years.
Every Four Years.
Every 4 years for President Every 6 years for US Senate Every 2 Years for US House of Representatives
Elections are held every four years.
The US President is inaugurated on 20 January every 4 years.