`whenYear` >='-3000'
AND `whenYear` <='3000'
AND
( `eventId` = '1018953 ' )
ORDER BY `whenYear` ASC, `whenMonth` ASC , `whenDay` ASC,`eventSig` DESC
LIMIT
0
,
100

Jonas Salk
in
Pittsburgh

Check Out What Jonas Salk Looked Like on 2/23/1954
February 23 : Medicine first mass inoculation of children against polio with Salk vaccine developed by began in #history
1018953