`whenYear` >='-3000'
AND `whenYear` <='3000'
AND
(`whereLoc` ='Porto Alegre' OR (`whereLon` >='-51.523' And`whereLon` <='-50.943'And`whereLat` >='-30.32'And`whereLat` <='-29.74'))
ORDER BY `whenYear` ASC, `whenMonth` ASC , `whenDay` ASC,`eventSig` DESC
LIMIT
0
,
100