關於October151970wasdecl的百科

•    October15,1970wasdeclaredInternationalWhiteCaneSafet...

• 問題詳情：   October15,1970wasdeclaredInternationalWhiteCaneSafetyDay(IWCSD)forthefirsttimebythePresidentoftheInternationalFederationoftheBlind(IFB).ThisdatewasadoptedatthefirstconventionoftheIFB,heldinColomboonOctober4,1969.Theobjectoftheexerciseis...
• 2020-09-0621736