Breaker Won't Turn Back On?

I shut off the breaker that runs two bathrooms to replace an outlet and two switches, nothing was wrong with them just updating. I know they are wired correctly because I took the wires off and put them on the same way. When I turned the breaker on nothing was working except the green light on the GFCI. The lights in the other bathroom connected to that breaker are also not coming on and I didn't touch anything in there. I have no idea what went wrong.