"Countries Compared by Sports > International rugby league teams > Test Nations > First year in > International competition. International Statistics at NationMaster.com", Wikipedia: List of international rugby league teams. Aggregates compiled by NationMaster. Retrieved from http://www.nationmaster.com/country-info/stats/Sports/International-rugby-league-teams/Test-Nations/First-year-in/International-competition
"Countries Compared by Sports > International rugby league teams > Test Nations > First year in > International competition. International Statistics at NationMaster.com, Wikipedia: List of international rugby league teams. Aggregates compiled by NationMaster." 1907-1993. <http://www.nationmaster.com/country-info/stats/Sports/International-rugby-league-teams/Test-Nations/First-year-in/International-competition>.
'Countries Compared by Sports > International rugby league teams > Test Nations > First year in > International competition. International Statistics at NationMaster.com, Wikipedia: List of international rugby league teams. Aggregates compiled by NationMaster.', <http://www.nationmaster.com/country-info/stats/Sports/International-rugby-league-teams/Test-Nations/First-year-in/International-competition> [assessed 1907-1993]
"Countries Compared by Sports > International rugby league teams > Test Nations > First year in > International competition. International Statistics at NationMaster.com", Wikipedia: List of international rugby league teams. Aggregates compiled by NationMaster. [Internet]. 1907-1993. Avaliable from: <http://www.nationmaster.com/country-info/stats/Sports/International-rugby-league-teams/Test-Nations/First-year-in/International-competition>.
"Countries Compared by Sports > International rugby league teams > Test Nations > First year in > International competition. International Statistics at NationMaster.com", Wikipedia: List of international rugby league teams. Aggregates compiled by NationMaster. Avaliable at: nationmaster.com. Assessed 1907-1993.
"Countries Compared by Sports > International rugby league teams > Test Nations > First year in > International competition. International Statistics at NationMaster.com, Wikipedia: List of international rugby league teams. Aggregates compiled by NationMaster.," http://www.nationmaster.com/country-info/stats/Sports/International-rugby-league-teams/Test-Nations/First-year-in/International-competition (assessed 1907-1993)
"Countries Compared by Sports > International rugby league teams > Test Nations > First year in > International competition. International Statistics at NationMaster.com", Wikipedia: List of international rugby league teams. Aggregates compiled by NationMaster., http://www.nationmaster.com/country-info/stats/Sports/International-rugby-league-teams/Test-Nations/First-year-in/International-competition (last visited 1907-1993)
"Countries Compared by Sports > International rugby league teams > Test Nations > First year in > International competition. International Statistics at NationMaster.com", Wikipedia: List of international rugby league teams. Aggregates compiled by NationMaster., http://www.nationmaster.com/country-info/stats/Sports/International-rugby-league-teams/Test-Nations/First-year-in/International-competition (as of 1907-1993)
Interesting observations about Sports > International rugby league teams > Test Nations > First year in > International competition
Factoid #51
Russia won the first World Air Games, held in Turkey in 1997. Events included hang-gliding, sky-surfing, and ballooning.