33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
9407640
899870
1
Public Timelines
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
Create
Create a timeline
Public timelines
Library
FAQ

jan 4, 500 BC - 前5世纪,中国的《周礼》中记载了用金属凹面镜从太阳取火的方法

Description:

地点：
人物：
意义：
补充：

Added to timeline:

Ht

Bylee66
29 Mar 2024
0
0
140

Date:

jan 4, 500 BC
Now
~ 2527 years ago
About & FeedbackTermsPrivacyLibraryFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL