When was rugby introduced to NZ and by who?

Charles Monow  introduced rugby in 1870 in May.

When did NZ play their first rugby game?

In May  14 1870 two hundred people went to watch grown men beat children at rugby, they won score 0-2

When did NZ play their first international rugby game ? Did they win or lose? What was the score

Their first international game was against Australia Sydney the year was 1903 and they won. The score was 32-3

How did the All Blacks get their name

because of their uniform was so black people called them The All Blacks.

Who are the three best players in the All Blacks

riche McCaw holds the world record for test appearances, John tali lomu was the first global rugby legend and finally Coleen meads is a rugby All Blacks legend

What do The All Blacks preform before each match? What does it mean and why do they preform them?

At the start of every game The All Blacks preform a haka to intimidate the opponents