Birthdays for Aziz Ansari (1983), Emily Blunt (1983) and Dakota Fanning (1994)

Anniversary of:
• Johannes Gutenberg printing the first-ever book using a printing press – the Bible (estimated date 1455)
• the deaths of John Keats (1821) and Dame Nellie Melba (1931)
• The Times of London publishing the world’s first classified ad (1886)
• the first mass inoculation against polio (1954)

Polio vaccines are vaccines used to prevent poliomyelitis. Two types are used: an inactivated poliovirus given by injection and a weakened poliovirus given by mouth. The World Health Organization recommends all children be fully vaccinated against polio.

• rapper Eminem releasing his first major record album The Slim Shady LP(1999)