first single released first singles first sino-japanese war first sip first sister first sit first site first sites first sitting first sitting president first situation first six days first six games first six minutes first six months first six weeks first six years first size first skater first sketch first sketches first ski first skin first skirmish first skyscraper first slave first slaves first sleep first sleepover first sleeve first slice first slide first slogan first slot first slovak first slovenian first slow first small first small step first smart first smartphone first smartphones first smartwatch first smell first smile first smoke first snow first snowfall first snows first soccer first social first social media first social network first socialist first society first sod first soft first software first solar first solar power first solar-powered first sold first soldier first soldiers first solenoid first solid first solo first solo album first solo concert first solo exhibition first solo flight first solo show first solo single first solo trip first soloist first solution first solvent first son first son was born first song first song he first song i first song played first song recorded first song they first song we first song you first songs first sort first sortie first sought first soul first sound first sound film first sounds first soundtrack first source first south first south african