April 23rd, 2008

• Administrative Professional's Day
  The fourth Wednesday of April.

• Home Run Day
  Hank Aaron hits his first home run in 1954.

• International Sing Out Day

• William Shakespeare's Birthday
  Born in 1564.

This information is correct to the best of my knowledge. These dates are collected from many online and offline resources. Please do not email me asking me for more info about a date - All the information I have is posted here.