Padlet timeline by Abe Silverman

Universe Forms

asilverman13 — 2024-09-30 15:18:36 UTC

13.8 billion years ago the big bang happened.

Earth Forms

asilverman13 — 2024-09-30 15:19:52 UTC

4.6 billion years ago the earth was formed

First Cells

asilverman13 — 2024-09-30 15:22:10 UTC

cells were formed 4 billion

First Fossils

asilverman13 — 2024-09-30 15:23:45 UTC

the first fossil dated 3.5 billion years old

First Fish

asilverman13 — 2024-09-30 15:25:26 UTC

about 530 million years ago Vertebrates were formed in the Cambrian explosion, which saw the rise in animal diversity.

First Reptiles

asilverman13 — 2024-09-30 15:31:19 UTC

Reptiles arose about 320 million years ago during the Carboniferous period

First Mammals

asilverman13 — 2024-09-30 15:33:42 UTC

mammal-like forms appear in the fossil record during the late Triassic period, about 225 million years ago

First Monkeys

asilverman13 — 2024-09-30 15:36:22 UTC

The first known primate, Purgatorius, dating back as far as 65 million years ago,

Australopithecus

asilverman13 — 2024-09-30 15:37:13 UTC

he first known australopith appears in the fossil record at 4.1 million years ago as Australopithecus anamensis

Homo Habilis

asilverman13 — 2024-09-30 15:39:53 UTC

Homo habilis inhabited parts of sub-Saharan Africa from roughly 2.4 to 1.5 million years ago

Homo Erectus

asilverman13 — 2024-09-30 15:41:10 UTC

Homo erectus is an extinct species of archaic human from the Pleistocene, with its earliest occurrence about 2 million years ago

Neandertals

asilverman13 — 2024-09-30 15:43:03 UTC

Neanderthals are an extinct group of archaic humans who lived in Eurasia until about 40,000 years ago.

Egyptian Pyramids

asilverman13 — 2024-09-30 15:44:28 UTC

the ancient Egyptian pyramids were built between about roughly 2700 B.C. and 1500 B.C. This makes the earliest pyramids about the same age as Stonehenge

Julius Caesar

asilverman13 — 2024-09-30 15:45:19 UTC

Gaius Julius Caesar was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in a civil war, and subsequently became dictator from 49 BC until his assassination in 44 BC.

Leonardo da Vinci (1452-1519)

asilverman13 — 2024-09-30 15:47:03 UTC

Leonardo di ser Piero da Vinci was an Italian polymath of the High Renaissance who was active as a painter, draughtsman, engineer, scientist, theorist, sculptor, and architect.

Antoni van Leeuwenhoek (1632-1723)

asilverman13 — 2024-09-30 15:48:52 UTC

created the first microscope to observe plant cells

X-ray invented

asilverman13 — 2024-09-30 15:50:04 UTC

X-rays were discovered in 1895 by Wilhelm Conrad Roentgen (1845-1923) who was a Professor at Wuerzburg University in Germany. Working with a cathode-ray tube in his laboratory

Computer invented

asilverman13 — 2024-09-30 15:53:59 UTC

he first computer that resembled the modern machines we see today was invented by Charles Babbage between 1833 and 1871. He developed a device; however Alan Turing was the "father" of computer science and the one to create the turing test as well as the one to create the enigma machine

Internet invented

asilverman13 — 2024-09-30 15:55:40 UTC

ARPANET adopted TCP/IP on January 1, 1983, from there the “network of networks” that became the modern Internet. The online world then took on a more recognizable form in 1990, when computer scientist Tim Berners-Lee invented the World Wide Web