Birthers are defined as believers in a “crackpot conspiracy theory claiming that Obama was born in Kenya.“
The first well documented birthers are from 1991, when Obama’s literary agents promoted him as being born in Kenya.
1991


Born in Kenya and raised in Indonesia and Hawaii’
Over the next 17 years, he was continuously being promoted as Kenyan born, by the birthers who made him rich. Of course, no one Obama knew noticed this mistake over the course of 17 years.
2007


http://web.archive.org/web/20070403190001
When Obama became US Senator from Illinois in 1994 under predictably suspicious circumstances, one of Kenya’s leading birther newspapers proudly bragged about their Kenyan-born native son.

Kenyan-born Obama all set for US Senate
During the 2008 campaign, Hillary Clinton’s birther staff were pushing Obama’s Kenyan birth, and then again on election eve in 2008 one of Nigeria’s leading birther newspapers boasted about their African born candidate.

Nigerian Observer Online Edition
We don’t know if the person who filled out Obama’s college paperwork was also a birther, because he refuses to release any of it. Obama says that it is legal to spy on every other public and private communication in the US, but would be illegal to release his college documents.
Don’t be a birther! Only Obama’s close friends and associates are allowed to be that.