No, rugby union has not been an Olympic event since 1924.
Water polo has been contested in the Summer Olympic Games since the 1900 Games in Paris. Water polo was among the first team sports to ever be played in the Olympics, along with cricket, polo, rugby union, and tug of war.
There is... it is like tag rugby
No African country has ever hosted the olympics
no
it was never at the olympics.
no. there is no football category in the Olympics
no, her first olympics will be in 2014
No
yes
Yes it has
The Olympics have never been hosted in Bolivia.