It was mentioned in Artilce I, Section 2
I’m not sure this is the answer you’re looking for but!
• They create decimal system based on Hindu numerals and the zero
• Advances also made in geometry, algebra, and trigonometry.
• Astronomers built observations and measured the Earth. They also used the astrolabe, an instrument designed to measure the plot and position of stars.
Answer:
Bloody Sunday. On the morning of Sunday 30 January 1972, around ten thousand people gathered in Londonderry for a civil rights march. The British Army had sealed off the original route so the march organisers led most of the demonstrators towards 'Free Derry Corner' in the nationalist Bogside area of the city.
Explanation:
