Which ancient civilization was known for its sophisticated tax system, which included taxes on land, livestock, and trade?

In ancient Rome, what was the primary source of tax revenue?

Which medieval European country introduced the first modern income tax in the 15th century?

The concept of progressive taxation, where higher earners pay a higher percentage of their income in taxes, was first implemented in which country?

Which American president signed the Revenue Act of 1913, which introduced the first federal income tax in the United States?

The concept of a value-added tax (VAT), where a tax is levied on the value added to a product or service at each stage of production and distribution, originated in which country?

Which international organization was established in 1961 to promote cooperation and coordination among tax authorities worldwide?

The concept of a carbon tax, which is a tax levied on the emission of greenhouse gases, was first implemented in which country?

Which country introduced a wealth tax in the 1990s, which imposed a tax on the net worth of individuals above a certain threshold?

The concept of a digital services tax, which is a tax levied on the revenue generated by digital companies, was first implemented in which country?

Which country introduced a carbon border adjustment mechanism (CBAM) in 2023, which imposes a tax on imports from countries with less stringent carbon pricing policies?

The concept of a land value tax, which is a tax levied on the value of land, was first proposed by which economist in the 19th century?

Which country implemented a goods and services tax (GST) in 2017, which replaced a complex system of indirect taxes?

The concept of a negative income tax, where low-income individuals receive a government payment rather than paying taxes, was first proposed by which economist in the 20th century?

Which country introduced a carbon tax in 2021, becoming the first major economy to do so?