s ▁Category : L iving ▁people ▁Category : Pe ople ▁from ▁Ky oto ▁Pref ect ure ▁Category : Mus icians ▁from ▁Ky oto ▁Pref ect ure ▁Category : LD H ▁artists ▁Category : 2 1 st - century ▁Japanese ▁sing ers ▁Category : 2 1 st - century ▁male ▁sing ers <0x0A> </s> ▁The ▁following ▁outline ▁is ▁provided ▁as ▁an ▁over view ▁of ▁and ▁top ical ▁guide ▁to ▁World ▁War ▁I : ▁ ▁World ▁War ▁I ▁– ▁major ▁war ▁cent red ▁in ▁Europe ▁that ▁began ▁on ▁ 2 8 ▁July ▁ 1 9 1 4 ▁and ▁last ed ▁until ▁ 1 1 ▁November ▁ 1 9 1 8 . ▁It ▁involved ▁all ▁the ▁world ' s ▁great ▁powers , ▁which ▁were ▁assemble d ▁in ▁two ▁oppos ing ▁al li ances : ▁the ▁Al lies ▁( cent red ▁on ▁the ▁Tri ple ▁Ent ente ▁of ▁Britain , ▁France ▁and ▁Russia ) ▁and ▁the ▁Central ▁Pow ers ▁( origin ally ▁cent red ▁on ▁the ▁Tri ple ▁Alliance ▁of ▁Germany , ▁Austria - H ung ary ▁and ▁Italy ). ▁More ▁than ▁ 7 0   mill ion ▁military ▁personnel , ▁including ▁ 6 0 ▁million ▁Europe ans , ▁were ▁mobil ised ▁in ▁one ▁of ▁the ▁largest ▁wars ▁in ▁history . ▁More ▁than ▁ 9   mill ion ▁combat ants ▁were ▁killed , ▁largely ▁because ▁of ▁great ▁techn ological ▁adv ances ▁in ▁fire power ▁without ▁corresponding ▁adv ances ▁in ▁mob ility . ▁It ▁was ▁the ▁sixth ▁dead liest ▁conflict ▁in ▁world ▁history , ▁subsequently ▁p aving ▁the