Concerning Speech (Grammar)?

Agreed with what Junebug said. I just wanted to add onto your Additional Details question. I would suggest not saying summer at all since it's obvious that August is summer. "It was a day in August when it all began." Although IMO anything starting with 'It was...' just screams cliche. Anyway, to make the sentence more interesting, I'd say something like 'It all began in August' or 'That day in the summer of 1999 was when it all started' or something. If you really want to say it though, I think it would be Summer's with the apostrophe. Not sure how correct that is, but hope that helps.