-
2500 BCE
First Flush Toilet Systems
In northern India, they created the first flush toilet systems in homes connected by a sewer system.INDIA -
2400 BCE
Weight Scale Invented
The first weighing scales were invented to compare items like spices and metals during trade. INDIA -
1534 BCE
First Star Charts/Maps
Egyptian astronomers were the first to chart and draw what they saw in the sky including constellations. -
428 BCE
Plato Invents the Alarm Clock
To keep track of what time it was and to remind him when to do things, Plato used water and pebbles banging on a large gong-like device as the world's first alarm clock. GREEK -
270 BCE
First Heliocentric Theory
Aristarchus describes that the Sun is the "central fire" and that the earth revolves around the sun using calculations of the size of the earth and the distance from the sun and moon. This is the first heliocentric theory described in history. GREEKS -
100 BCE
Cement Invented
A mixture of water and lime and different minerals proved to be very strong and was used to build almost any structure for the rest of human civilization. The first uses of cement can be found in ruins in Turkey. GREEK -
107
Paper Invented
Chinese court official Ts'ai Lun figured out a mixture of bark and water to create the world's first edition of paper. CHINA -
700
Most Accurate Estimate of Earth's Orbit
The most accurate and earliest estimate of earth's orbit around the sun was written in the Surya Siddhanta at 365 days. INDIA -
1044
Gunpowder Invented
Chinese alchemists found out that a mixture of ores could induce an explosion, leading to the invention of gunpowder. It was originally invented for fireworks, then later applied to weapos. CHINA -
1086
Compass Invented
Chinese miners used a magnetic metal and found out when reacted with iron that the meatal always pointed north. This led to the invention of the first compass. CHINA -
Newtons Laws
Sir Isaac Newton is the first to theorize physics, gravity, and how and why anything moves. EUROPE -
Lightning Rod Invented
Benjamin Franklin invents the lightning rod which redirects the energy into the ground rather than into the house, saving Americans from thousands of deaths every year.USA -
The Panama Canal is Completed
After years of work, the Panama Canal is completed, giving easy access from the Atlantic to the Pacific Ocean. The route makes the trip between Eastern and Western worlds shorter by 8,000 miles.CENTRAL AMERICA -
A sheep named Dolly is cloned
The first-ever nuclear transfer clone of an animal is made with a sheep. USA -
First All Civilian Spaceflight
For the first time ever, a spaceflight occurred with only regular people who were not astronauts aboard a Space X rocket. The flight was one of the first steps to commercial space travel. USA