`whenYear` >='-3000'
AND `whenYear` <='3000'
AND
( `eventId` = '-421511 ' )
ORDER BY `whenYear` ASC, `whenMonth` ASC , `whenDay` ASC,`eventSig` DESC
LIMIT
0
,
100

John Francis Mercer
in 1850

in 1850
John Francis Mercer, member of the Continental Congress.
-421511