33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
268000
23487
1
Create a timeline
Public Timelines
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
FAQ
Close
Create a timeline
Public timelines
FAQ
About & Feedback
Terms
Privacy
FAQ
Support 24/7
Cabinet
Get premium
Donate
21h 54min, jun 1, 1935 y - 1935-Hildebrand- German priest, first charted BBT curves (used Van de Velde's work)-created the first BBT and calendar-thermic method
Added to timeline:
NFP History
By
N. Husk
12 Nov 2017
0
0
813
Date:
21h 54min, jun 1, 1935 y
Now
~ 90 years ago
About & Feedback
Terms
Privacy
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
