2 days
It is not clear what you are asking. If you mean "Did native Americans exist before 1865?", then yes - they were around for many thousands of years before that, and many thousands of years before white people arrived.
Many people do many things because of what they have read in books. For about 500 years, before the internet (which is only a couple of decades old), books were a large means of distributing information and ideas. Many revolutions have been started because of ideas in books.
It is said Jesus preached and worked for three and a half years. That is from 30 to 33and half years.
Paisly Mahon, a friend of many viners, you tubers, and instagrammers started this trend long before it was popular. Once those internet people started getting famous and using his quote of "who dat", he was given no credit until late 2014
40 years
It depends whether you include the years it was a daytime show which started in 1975 with Chuck Woolery or You start counting as a nightime show which started in 1983
none the league was started in 1890-1891 with both old firm teams playing in it
It was actually never said on the show. Maxwell's wife (Sara) died many years before the series started.
The first world cup started in 1930, so it is 70 years.
Gettysburg was fought in July 1863. The war started in 1861, and ended in 1865
Telephone service will not be obsolete due to internet phone services for a long time to come. There are still many people that are in age groups of 50 years or older who are not using the internet. This means the telephone service still has at least 30 years before the generation of non internet users is no longer around.
No one "discovered" the Internet. It was developed by many people working at different universities, over the course of many years.