Invasions by USSR:
https://en.wikipedia.org/wiki/Soviet_invasion_of_Poland
https://en.wikipedia.org/wiki/Polish%E2%80%93Soviet_War
https://en.wikipedia.org/wiki/Hungary_in_World_War_II#Soviet_occupation_of_Hungary
https://en.wikipedia.org/wiki/Hungarian_Revolution_of_1956
Olypmics:
https://en.wikipedia.org/wiki/All-time_Olympic_Games_medal_table
Freedom in the World Index:
https://freedomhouse.org/countries/freedom-world/scores
Year Joined NATO:
https://en.wikipedia.org/wiki/Enlargement_of_NATO
Mortality Rate:
https://en.wikipedia.org/wiki/List_of_countries_by_mortality_rate
Life Expectancy:
https://data.worldbank.org/indicator/SP.DYN.LE00.IN?most_recent_value_desc=true&view=chart
Alcohol Consumption per Capita:
https://www.cia.gov/the-world-factbook/field/alcohol-consumption-per-capita/country-comparison
Corruption Perceptions Index:
https://www.transparency.org/en/cpi/2023
Gini Index:
https://data.worldbank.org/indicator/SI.POV.GINI?most_recent_value_desc=false
https://data.worldbank.org/indicator/SP.URB.TOTL.IN.ZS?most_recent_value_desc=false&view=chart
Invasions by USSR:
https://en.wikipedia.org/wiki/Soviet_invasion_of_Poland
https://en.wikipedia.org/wiki/Polish%E2%80%93Soviet_War
https://en.wikipedia.org/wiki/Hungary_in_World_War_II#Soviet_occupation_of_Hungary
https://en.wikipedia.org/wiki/Hungarian_Revolution_of_1956
Olypmics:
https://en.wikipedia.org/wiki/All-time_Olympic_Games_medal_table
Freedom in the World Index:
https://freedomhouse.org/countries/freedom-world/scores
Year Joined NATO:
https://en.wikipedia.org/wiki/Enlargement_of_NATO
Mortality Rate:
https://en.wikipedia.org/wiki/List_of_countries_by_mortality_rate
Life Expectancy:
https://data.worldbank.org/indicator/SP.DYN.LE00.IN?most_recent_value_desc=true&view=chart
Alcohol Consumption per Capita:
https://www.cia.gov/the-world-factbook/field/alcohol-consumption-per-capita/country-comparison
Corruption Perceptions Index:
https://www.transparency.org/en/cpi/2023
Gini Index:
https://data.worldbank.org/indicator/SI.POV.GINI?most_recent_value_desc=false
https://data.worldbank.org/indicator/SP.URB.TOTL.IN.ZS?most_recent_value_desc=false&view=chart