Although this episode premiered in 1999, it was produced in 1998 according to the credits.
Bubblevicious/The Bare Facts (1999)'s original air date, Wednesday, January 20th, 1999, was especially picked for
second and far more popular cartoon, "The Bare Facts", after The Powerpuff Girls (1998) rescued the kidnapped and pants-less Mayor, from criminal monkey, Mojo Jojo. It was 2 years after Clinton's second 4-year term and 6 years after being sworn in originally. Because a majority of Political Inaugurations of State Governors and City Mayors occurs on January 20th, (unless Blue Law), like in 2013, when it occurs on a Sunday. The day is "postponed" one day to Monday, January 21. Three January 21th Predidential inaugurations were Wednesday, January 20th, 1993, as Bill Clinton was originally sworn in as 42nd U. S. President. Monday, January 20th, 1997, was Clinton's second term. Saturday, January 20th, 2001, was 'George W. Bush' was originally sworn into office as 43rd U. S. President. Bush's second term, Thursday, January 20th, 2005 was Bush's second inauguration. Tuesday, January 20th, 2009, was 44th President, Barack Obama's first inauguration. Obama's second term was postponed one day to Monday, January 21st, 2013. Three Monday, January 21st Second Term swearing in Days were in 1957, 1985 & 2013. 1957 was Dwight D. Eisenhower's second term, in 1985, was Ronald Reagan's second term and in 2013 was Barack Obama's second term. Next Monday, January 21st will not be until 2041.