Before 20th Century

This is a timeline of events that occurred **before the 20th century**.

## After c. 4,540,000,000 B.C.

* The Chaos Emeralds are created.
* The Echidna Tribe takes form.
* The Echidna Tribe forge the Chaos Emeralds into one mystical Master Emerald, which bestows much power to the yielder.
* **Battle for the Master Emerald**:
	+ An echinda uses the Master Emerald and annihilates an opposing army.
	+ The Owl warriors, an order of heroes, take form and steals the Master Emerald from the echidna warrior.
* The Owls hide the Master Emerald and a compass to it on Earth, somewhere in Hawaii and Siberia respectively.

## c. 2570 B.C.

* The Pyramid of Khafre is built in the Giza Pyramid Complex.
* The Great Pyramid of Giza is built in the Giza Pyramid Complex.

## 2600 B.C.

* The Maya civilization is established in Mesoamerica.

## c. 2558–2532 B.C.

* The Great Sphinx of Giza is built in Egypt.

## c. 2510 B.C.

* The Pyramid of Menkaure is built in Cairo, Egypt.

## c. 3rd Century B.C.

* The Great Wall of China begins construction.

## c. 600 A.D.

* Chichen Itza is established by the Mayans.

## 1016

* The Palace of Westminster is built in London.

## c. 1504

* The Mono Lisa is painted by Leonardo da Vinci.

## 1597

* William Shakespeare's *Romeo and Juliet* first premieres.

## 1631

* The Taj Mahal begins construction in Agra, India.

## 1648

* The Taj Mahal is opened in Agra, India.

## c. 1650

* The Great Wall of China finishes construction.

## 1656

* The Grenadier Guards are formed in England.

## 1776

### July

#### 4th

* The United States of America is founded.

## 1785

* The *Dictionary of the Vulgar Tongue* is first published, debuting the term "Kick the bucket".

## 1793

### August

#### 10th

* The Louvre is established in Paris, France.

## 1843

### September

#### 28th

* Big Ben begins construction at the Palace of Westminster.

## 1849

### August

#### 13th

* The San Francisco Police Department is formed.

## 1870

### June

#### 26th

* *Die Walküre*, by Richard Wagner, premieres with *Ride of the Valkyries* as a leitmotif for the third act.

## 1883

### May

#### 24th

* The Brooklyn Bridge is constructed in New York City.

## 1886

### October

#### 28th

* The Statue of Liberty is dedicated on Liberty Island.

## 1887

### January

#### 28th

* The Eiffel Tower begins construction in Paris, France.

### March

#### 15th

* The Eiffel Tower finishes construction.

## 1890

### October

#### 1st

* Yosemite National Park is established in California.

## References

1. ↑ The Earth is estimated to be 4.54 billion years old.
2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 *Sonic the Hedgehog 2*
3. ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 3.20 3.21 3.22 *Sonic the Hedgehog*
4. ↑ 4.00 4.01 4.02 4.03 4.04 4.05 4.06 4.07 4.08 4.09 4.10 4.11 4.12 4.13 4.14 4.15 4.16 4.17 4.18 4.19 4.20 4.21 4.22 4.23 4.24 4.25 4.26 4.27 4.28 4.29 4.30 4.31 4.32 4.33 4.34 4.35 Sometimes the *Sonic the Hedgehog Cinematic Universe* alludes to events which happened in our world, and it is assumed they happened on the same dates in the universe, for timeline purposes.
5. ↑ 5.00 5.01 5.02 5.03 5.04 5.05 5.06 5.07 5.08 5.09 5.10 5.11 5.12 5.13 5.14 5.15 5.16 5.17 5.18 5.19 5.20 5.21 5.22 5.23 *Around the World in 80 Seconds*
6. ↑ 6.0 6.1 6.2 6.3 Sometimes the *Sonic the Hedgehog Cinematic Universe* alludes to people who existed in our world, and it is assumed they were born on the same day in the universe, for timeline purposes.