Global History Chronology
Scroll through a synchronized horizontal history stream. Compare active wars side-by-side with the lifespan of historical empires to examine overlapping occurrences.
4500 Years Gap8000 BC - 3500 BCClick to Expand
190 Years Gap3490 BC - 3300 BCClick to Expand
90 Years Gap3290 BC - 3200 BCClick to Expand
190 Years Gap3190 BC - 3000 BCClick to Expand
290 Years Gap2990 BC - 2700 BCClick to Expand
1190 Years Gap2690 BC - 1500 BCClick to Expand
290 Years Gap1490 BC - 1200 BCClick to Expand
790 Years Gap1190 BC - 400 BCClick to Expand
240 Years Gap390 BC - 150 BCClick to Expand
245 Years Gap140 BC - 105 ADClick to Expand
500 Years Gap150 AD - 650 ADClick to Expand
65 Years Gap660 AD - 725 ADClick to Expand
110 Years Gap740 AD - 850 ADClick to Expand
101 Years Gap1120 AD - 1221 ADClick to Expand
46 Years Gap1240 AD - 1286 ADClick to Expand
110 Years Gap1330 AD - 1440 ADClick to Expand
90 Years Gap1500 AD - 1590 ADClick to Expand
92 Years Gap1660 AD - 1752 ADClick to Expand
NR
Neolithic Agricultural Revolution
TW
The Wheel
BS
Bronze Smelting
CW
Cuneiform writing
PS
Papyrus Sheets
S(
Sumerian Scratch Plough (Ard)
AB
Abacus
SC
Sundial Shadow Clock
IS
Iron Smelting
WW
Water-Powered Mill (Water Wheel)
RC
Roman Concrete (Opus Caementicium)
AS
Astrolabe
CP
Cai Lun's Pulp Paper
SH
Seismoscope (Zhang Heng)
HO
Hourglass
VW
Vertical-Axle Windmill
WC
Water-Driven Escapement Clock
GP
Gunpowder (Black Powder)
MC
Magnetic Compass
MS
Movable Type (Bi Sheng)
IB
Iron-Cased Gunpowder Bomb
SE
Spectacles / Eyeglasses
CC
Cast-Bronze Siege Cannon
MP
Movable Type Printing Press
MM
Matchlock Musket
GE
Gutenberg Printing Press Core Expansion
CM
Compound Microscope
RT
Refracting Telescope
DS
Drebbel Submarine
PC
Pascaline Mechanical Calculator
MB
Mercury Barometer
PC
Pendulum Clock
LR
Lightning Rod
SJ
Spinning Jenny
WE
Watt Steam Engine
BZ
British Coalfield Steam Power Zone
SM
Spinning Mule
HB
Hot Air Balloon
PA
Parachute
CG
Cotton Gin
SV
Smallpox Vaccine
V(
Voltaic Pile (Battery)
CS
Commercial Steamboat
EL
Electric Arc Lamp
SL
Steam Locomotive
ST
Stethoscope
HM
Homopolar Electric Motor
EL
Electromagnet
PC
Portland Cement
DP
Daguerreotype Photography
FM
Friction Match
MR
Mechanical Reaper
ED
Electromagnetic Dynamo
MC
Morse Code
AE
Analytical Engine
ET
Electric Telegraph
VR
Vulcanized Rubber
CB
Cyanotype Blueprinting
LM
Lockstitch Sewing Machine
IA
Inhaled Ether Anesthesia
SE
Safety Elevator
BP
Bessemer Steel Process
PP
Pasteurization Process
DY
Dynamite
ST
Sholes and Glidden Typewriter
SD
Semiconductor Crystal Detector
BW
Barbed Wire
TE
Telephone
AR
Ammonia Absorption Refrigerator
PH
Phonograph
EC
Early Bell Telephone Exchange Core
RR
Ritty's Cash Register
IB
Incandescent Light Bulb
EG
Edison Illuminating Co. Manhattan Grid
SC
Selenium Photovoltaic Cell
RV
Rabies Vaccine
P(
Patent-Motorwagen (Automobile)
KP
Kinetoscope Motion Pictures
VF
Vacuum Insulated Flask (Dewar Flask)
W(
Wireless Telegraphy (Radio)
XI
X-ray Imaging
A(
Acetylsalicylic Acid (Aspirin)
SP
Synthesis of Polyethylene
EC
Electric Air Conditioning
E(
Electrocardiogram (ECG)
WA
Wright Flyer Airplane
S(
Synthetic Plastic (Bakelite)
HS
Haber-Bosch Nitrogen Synthesis
NL
Neon Tube Lighting
FL
Ford Moving Assembly Line
S(
Separable Fastener (Zipper)
AS
Active Sonar
EI
Extraction and Use of Insulin
ET
Electronic Television
DP
Discovery & Isolation of Penicillin
TM
Transmission Electron Microscope
RA
Radar
S(
Synthetic Fiber (Nylon)
TE
Turbojet Engine
ND
Nuclear Fission Discovery
SH
Single-Rotor Helicopter
AM
Artificial Kidney (Dialysis Machine)
MO
Microwave Oven
HO
Holography
PT
Point-Contact Transistor
OP
Oral Contraceptive Pill
PV
Polio Vaccine
TR
Transistor Radio
SC
Silicon Solar Cell
IP
Implantable Cardiac Pacemaker
HF
High-Performance Carbon Fiber
RL
Ruby Laser
L(
Light Emitting Diode (LED)
KF
Kevlar Synthetic Fiber
L(
Liquid Crystal Display (LCD)
LF
Low-Loss Optical Fiber
M4
Microprocessor (Intel 4004)
CS
Computed Tomography (CT Scanner)
G(
Global Positioning System (GPS)
HP
Handheld Mobile Phone
PC
Personal Computer
M(
Magnetic Resonance Imaging (MRI)
SS
Sanger DNA Sequencing
BA
Balloon Angioplasty
JH
Jarvik-7 Artificial Heart
SP
Stereolithography (3D Printing)
LB
Lithium-Ion Battery
WW
World Wide Web
CH
CERN-Geneva Early Web Infrastructure Hub
W(
WLAN Wireless Network (Wi-Fi)
DD
Decentralized Blockchain Database
CE
CRISPR-Cas9 Gene Editing