Most things you use everyday weren't around years ago. Here's a list of things that weren't around or widely available for public use.
Neither did personal computers.
they didnt have tvs 100 years ago but if they did they had very little
No, they did not.
yes
Things like CDs, Cars, Tv Check out this site- http://inventors.about.com/od/timelines/a/twentieth_2.htm
100 years
No because it didn't exist 100 years ago, or 1913. It first opened in 1955
no
no they didnt because of the astounding effect that Joan of Arc had on the war
iphone
yes of course they did, they have existed for 100 years before that date.
For sure baseball cause the cubs havnt won a world series in 100 years and im pretty sure about football too.