Which is the longest river in Australia?

William Lyon Mackenzie King currently holds the record for the longest serving Prime Minister, at more than 21 years.

Mackenzie River is the longest river in Canada. It's length is 4,241 km.

Confederation Bridge is the longest bridge in Canada. Total length‎: ‎12.9 km (8 mi)

Sydney is the largest city in Australia by area.

Sir Edmund Barton was the first Prime minister of Australia. Term in office (1 January 1901 to 24 September 1903)

Julia Gillard was the first woman Prime minister of Australia.

Prime Ministers can stay in power as long as they have the support of their party and while their party has the majority of members in the House of Representatives.

Mount McClintock is the Highest point of Australia.

Great Barrier Reef located at North-east side of Australia.

Wallaman falls is the tallest waterfall in Australia.