They have that in episode 117: Vanished in a River of Flames.
Rogue River - Jericho episode - was created on 2006-11-08.
Burning River Roller Girls was created in 2006.
Pokemon episode 388 - "Who, What, When, Where, Wynaut?"
New River Valley Roller Girls was created in 2007.
Georges River College - Penshurst Girls Campus - was created in 1955.
The motto of Georges River College - Penshurst Girls Campus - is 'Aspire to Wisdom'.
The latest episode was 'The Wedding of River Song', the 13th and final episode of Series 6, broadcast on 1st October 2011.
down by the river
Yes, they had a very brief and spontaneous little ceremony in the episode "The Wedding of River Song."
Amy and Rory Pond are the parents of River as you can tell in the episode "When a good man goes to war".
She did not drown in a pool of miasma, she fell into a river of miasma and this happened in episode 124.