33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
4515560
420827
2
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 1, 1972 - Subsecretaria para el Mejoramiento del Ambiente, dentro de la Secretaría de Salubridad.

Added to timeline:

New timeline

ByPR
1 Oct 2020
0
0
120

Date:

jan 1, 1972
Now
~ 53 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