Question: Where does a moment of silence come from?

Disambiguated questions and answers:
context: The first recorded instance of an official moment of silence dedicated to a person's death took place in Portugal on February 13, 1912. The Portuguese Senate dedicated 10 minutes of silence to José Maria da Silva Paranhos Júnior, baron of Rio Branco, Brazil, and Minister of the Exterior of the Brazilian government, who had died three days earlier on February 10. This moment of silence was registered in the Senate's records of that day. In the same year, large parts of the US kept a ceremonial silence to honour the dead of the Maine and the Titanic.
question: What country is the first recorded moment of silence come from?
short_answers: Portugal
wikipage: Moment of silence

context: The first recorded instance of an official moment of silence dedicated to a person's death took place in Portugal on February 13, 1912. The Portuguese Senate dedicated 10 minutes of silence to José Maria da Silva Paranhos Júnior, baron of Rio Branco, Brazil, and Minister of the Exterior of the Brazilian government, who had died three days earlier on February 10. This moment of silence was registered in the Senate's records of that day. In the same year, large parts of the US kept a ceremonial silence to honour the dead of the Maine and the Titanic.
question: Who is the first recorded moment of silence come for?
short_answers: José Maria da Silva Paranhos Júnior

José Paranhos, Baron of Rio Branco
wikipage: Moment of silence

context: The first recorded instance of an official moment of silence dedicated to a person's death took place in Portugal on February 13, 1912. The Portuguese Senate dedicated 10 minutes of silence to José Maria da Silva Paranhos Júnior, baron of Rio Branco, Brazil, and Minister of the Exterior of the Brazilian government, who had died three days earlier on February 10. This moment of silence was registered in the Senate's records of that day. In the same year, large parts of the US kept a ceremonial silence to honour the dead of the Maine and the Titanic.
question: Who participated in the first recorded moment of silence?
short_answers: Portuguese Senate
wikipage: Moment of silence

Long answers:
knowledge: content: A moment of silence (also referred to as a minute's silence or a one-minute silence) is a period of silent contemplation, prayer, reflection, or meditation. Similar to flying a flag at half-mast, a moment of silence is often a gesture of respect, particularly in mourning for those who have died recently, or as part of a tragic historical event, such as the September 11 attacks of 2001.
wikipage: Moment of silence
long_answer: A moment of silence is a period of silent contemplation, prayer, reflection, or meditation that is similar to flying a flag at half-mast since it is often a gesture of respect, particularly in mourning for those who have recently died, or as part of a tragic historical event. The first official moment of silence was recorded in Portugal in 1912 when the Portuguese Senate dedicated 10 minutes of silence to José Maria da Silva Paranhos Júnior, Minister of the Exterior of the Brazilian government, who had died three days earlier.