Ireland beat Australia in the rugby world cup match that you are referring to.
1985
Probably during the 2003 six nations championship (03/30) Ireland 6-42 England Lansdowne Road, Dublin
Played 36 times England won 14 lost 21 drew 1
France has not to date been a host of the RWC. It was a shared host with England,Scotland Ireland and Wales in 1991. Where Australia beat England 12- 6
Ireland have won 7 times out of 7 meetings against the USA
Republic of Ireland
The Final in 1991 was played in Twickenham, London. Australia beat England 12 - 6. The whole event was jointly hosted by Wales, Ireland Scotland England and France
2003
USA.
Yes, Ireland had beaten Australia in Rugby before the 2011 World Cup win over them.
None. England last beat the All Blacks in 2003.