Complex sentence: After the Battle of Baltimore, the Flotilla did not participate in any further engagements and on February 15,1815, the short lived Flotilla Act was repealed by Congress and the Flotilla was disbanded.
Split into simpler sentences: After the Battle of Baltimore, the Flotilla did not participate in any further engagements. On February 15,1815, Congress repealed the short lived Flotilla Act and the Flotilla was disbanded.