▁birth s ▁Category : L iving ▁people ▁Category : Port la o ise ▁h url ers ▁Category : La ois ▁inter - count y ▁h url ers ▁Category : H ur ling ▁man agers <0x0A> </s> ▁Events ▁in ▁ 1 9 5 7 ▁in ▁animation . ▁ ▁Events ▁ ▁March ▁ ▁March ▁ 2 0 : ▁The ▁film ▁H emo ▁the ▁Magn ific ent , ▁a ▁combination ▁of ▁live - action ▁with ▁animated ▁sequences , ▁premiers . ▁▁ ▁March ▁ 2 7 : ▁ 2 9 th ▁Academy ▁Awards : ▁The ▁Mr . ▁Mag oo ▁cart oon ▁Mag oo ' s ▁P ud d le ▁J um per ▁wins ▁the ▁Academy ▁Award ▁for ▁Best ▁Anim ated ▁Short ▁Film . ▁ ▁May ▁ ▁May ▁ 1 5 : ▁The ▁Metro - G old w yn - M ayer ▁cart oon ▁studio ▁clos es ▁down . ▁ ▁July ▁ ▁July ▁ 6 : ▁Ch uck ▁Jones ' ▁B ugs ▁Bun ny ▁short ▁What ' s ▁Opera , ▁Doc ? ▁premiers . ▁Though ▁not ▁remark ably ▁popular ▁at ▁first , ▁it ▁will ▁eventually ▁become ▁one ▁of ▁the ▁most ▁famous ▁and ▁crit ically ▁acc laimed ▁animated ▁cart o ons ▁of ▁all ▁time . ▁▁ ▁July ▁ 7 : ▁H anna - Bar ber a ▁is ▁established ▁by ▁William ▁H anna , ▁Joseph ▁Bar ber a ▁and ▁George ▁Sid ney . ▁ ▁October ▁ ▁October ▁ 3 : ▁The ▁first ▁episode ▁of ▁The ▁Wo ody ▁Wood pe cker ▁Show ▁is ▁broadcast . ▁ ▁November ▁ ▁November ▁ 1