<Dt> Football League Third Division / EFL League One </Dt> <Ul> <Li> Champions: (3) 1923--24, 1961--62, 1982--83 </Li> </Ul> <Li> Champions: (3) 1923--24, 1961--62, 1982--83 </Li> <Dl> <Dt> Football League Fourth Division / EFL League Two </Dt> </Dl>

How long were portsmouth top of league 2