1999

All real-world events that happened in 1999.

January

 * 31st: aired for the first time. Season 1 of  started.

April

 * 7th: Conner Rayburn, actor and guest star, was born.
 * 9th: Isaac Hempstead Wright, actor and guest star, was born.
 * 11th: aired for the first time.
 * 18th: aired for the first time.
 * 25th: aired for the first time.

May

 * 2nd: aired for the first time.
 * 9th: aired for the first time.
 * 16th: aired for the first time Season 1 of  ended.

September

 * 23rd: aired for the first time. Season 2 of  started.
 * 30th: aired for the first time.

October

 * 9th: Will Shadley, actor and guest star, was born.

December

 * 14th: Karley Scott Collins, actress and guest star, was born.
 * 26th: aired for the first time.