When PERSON@1 resigned as President of the Republic on NUMBER@1 January NUMBER@2 , PERSON@2 returned from LOCATION@1 to LOCATION@2 to try to negotiate a compromise , whereby de Valera could return to the presidency .

When PERSON@1 resigned as President of the LOCATION@3 on NUMBER@1 January , NUMBER@2 , PERSON@3 returned from LOCATION@4 try to persuade de Valera to return to the presidency .
