33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
May 1, 2025
1469598
114972
2
Public Timelines
Menu
Public Timelines
FAQ
Public Timelines
FAQ
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
Create
Close
Create a timeline
Public timelines
Library
FAQ
aug 1, 1590 - Hans and Zacharias Janssen- In 1590, they became known for inventing the compound optical microscope. This contributed to "The Cell Theory" by making it easier and more practical whilst observing cells.
Added to timeline:
cell theory
By
OJ Williams
21 Aug 2018
0
0
821
Date:
aug 1, 1590
Now
~ 435 years ago
Images:
About & Feedback
Terms
Privacy
Library
FAQ
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL