Question: When was the 16th amendment added to the constitution?

Disambiguated questions and answers:
context: The Sixteenth Amendment (Amendment XVI) to the United States Constitution allows Congress to levy an income tax without apportioning it among the states on the basis of population. It was passed by Congress in 1909 in response to the 1895 Supreme Court case of "Pollock v. Farmers' Loan & Trust Co." The Sixteenth Amendment was ratified by the requisite number of states on February 3, 1913, and effectively overruled the Supreme Court's ruling in "Pollock".
question: When was the 16th amendment passed by congress in the US?
short_answers: 1909
wikipage: Sixteenth Amendment to the United States Constitution

context: No context provided
question: When was the 16th amendment added to the US constitution ?|When was the 16th amendment added to the US constitution?|When was the 16th amendment ratified in the US?
short_answers: February 3, 1913

February 3 , 1913

context: No context provided
question: When was the 16th amendment added to the Irish constitution?
short_answers: 12 December 1996

context: No context provided
question: When was the 16th amendment added to the constitution of Pakistan?
short_answers: August 5, 1999

context: No context provided
question: When was the 16th amendment added to the South African constitution?
short_answers: 3 April 2009

Long answers:
knowledge: content: The Sixteenth Amendment (Amendment XVI) to the United States Constitution allows Congress to levy an income tax without apportioning it among the states on the basis of population. It was passed by Congress in 1909 in response to the 1895 Supreme Court case of Pollock v. Farmers' Loan & Trust Co. The Sixteenth Amendment was ratified by the requisite number of states on February 3, 1913, and effectively overruled the Supreme Court's ruling in Pollock.
wikipage: Sixteenth Amendment to the United States Constitution

content: The Sixteenth Amendment of the Constitution Act 1996 (previously bill no. 49 of 1996) is an amendment of the Constitution of Ireland which provides that a court can refuse bail to a suspect where it feared that while at liberty they would commit a serious criminal offence. It was approved by referendum on 28 November 1996 and signed into law on 12 December of the same year.
wikipage: Sixteenth Amendment of the Constitution of Ireland

content: The Sixteenth Amendment to the Constitution of Pakistan (Urdu: آئین پاکستان میں سولہویں ترمیم) was passed by the National Assembly on July 27, 1999, by the Senate on June 3, 1999 and promulgated on August 5, 1999.[1]
wikipage: Sixteenth Amendment to the Constitution of Pakistan

content: It was passed by the National Council of Provinces on 19 March with all nine provinces voting in favour.[2] The amendment was signed by President Kgalema Motlanthe on 25 March and came into force on 3 April, weeks before the 2009 general election.
wikipage: Sixteenth Amendment of the Constitution of South Africa
long_answer: The Sixteenth Amendment to the United States Constitution was passed by Congress in 1909 in response to the 1895 Supreme Court case of Pollock v. Farmers' Loan & Trust Co. and was ratified by the requisite number of states on February 3, 1913, and effectively overruled the Supreme Court's ruling in Pollock. The Sixteenth Amendment to the Irish Constitution was approved by referendum on 28 November 1996 and signed into law on 12 December 1996. The Sixteenth Amendment to the Constitution of Pakistan was passed by the National Assembly on July 27, 1999, by the Senate on June 3, 1999 and promulgated on August 5, 1999. The Sixteenth Amendment of the South African Constitution was passed by the National Council of Provinces on 19 March, was signed by President Kgalema Motlanthe on 25 March and came into force on 3 April 2009, weeks before the 2009 general election.