Authoritative or exceptionally strong evidence.
Independent global registry
Global Records Registry
Search published global entries with visible evidence grades, source trails, confidence levels, and status-specific caveats.
18 published entries17 record families35 cited source links
Read the labels
Publication status matters
The registry does not present every published entry as independently verified. Each label communicates a different evidence position.
Defined first-in-category achievement with worldwide scope.
Credible object or event evidence without universal adjudication.
Underlying metric documented mainly by the claimant.
Former global benchmark preserved for chronology.
Published achievement whose current-holder status remains monitored.
Showing 9 of 18 published global entries.
Earliest Directly Dated Scientific Evidence of Cannabis Smoking
500 BCE
- Holder
- Jirzankal Cemetery archaeological find
- Location
- Eastern Pamirs, western China
- Date
- ca. 500 BCE; study published 2019
Hemp Among the Oldest Cultivated Plants Used for Products
Guinness cites cultivation around 5,000 years ago and older hemp-cloth evidence
- Holder
- Cannabis sativa
- Location
- Asia / China
- Date
- Ancient history
World's First Dedicated Cannabis Museum
Opened in 1987
- Holder
- Hash Marihuana & Hemp Museum
- Location
- Amsterdam, Netherlands
- Date
- 1987
Largest Documented Cannabis-Artefact Collection
More than 9,000 items
- Holder
- Hash Marihuana & Hemp Museum / Ben Dronkers
- Location
- Amsterdam and Barcelona
- Date
- Current collection
Largest Documented Cannabis Seed-Bank Genetic Library
More than 1,000 strains
- Holder
- Sensi Seeds
- Location
- Netherlands
- Date
- Current company statement
Oldest Documented Operating Cannabis Seed Bank
Founded in 1985
- Holder
- Sensi Seeds
- Location
- Netherlands
- Date
- 1985–present
Most Joints Lit Simultaneously
7,000 joints
- Holder
- OCB Rolling Papers
- Location
- Santa Rosa, California, USA
- Date
- 2024-09-21
Largest Documented Cannabis-Infused Brownie
850 lb / 385.6 kg
- Holder
- MariMed / Bubby's Baked
- Location
- Massachusetts, USA
- Date
- 2021-12-07
Largest Documented Cannabis-Infused Chocolate Bar
420+ lb
- Holder
- Zen Cannabis
- Location
- Oklahoma City, USA
- Date
- 2023-04
Former Longest Strongly Measured Cannabis Joint
106 ft / 32.3 m
- Holder
- Beantown Greentown
- Location
- Worcester, Massachusetts, USA
- Date
- 2017-12-16
Longest Widely Documented Cannabis Joint Construction
More than 50 m
- Holder
- Ignacio Rodriguez and approximately 20 helpers
- Location
- Berlin, Germany
- Date
- 2019-06
Largest Documented Bong Installation
24 ft tall
- Holder
- Jerome Baker Designs / Jason Harris
- Location
- Las Vegas, Nevada, USA
- Date
- 2018-09
Largest Documented Cannabis Event by Attendance
More than 75,000 visitors
- Holder
- Mary Jane Berlin
- Location
- Berlin, Germany
- Date
- 2026-06-11 to 2026-06-14
First Nationwide Regulated Non-Medical Cannabis Market
National legalization and regulation enacted in 2013
- Holder
- Uruguay
- Location
- Uruguay
- Date
- 2013
Largest Documented Rosin Dab Attempt
120 g
- Holder
- Tyson 2.0 and participating guests
- Location
- Mary Jane Berlin, Berlin, Germany
- Date
- June 2026
Largest Documented Cannabis Retail and Entertainment Complex
112,000 sq ft complex
- Holder
- Planet 13 Las Vegas
- Location
- Las Vegas, Nevada, USA
- Date
- Opened 2018; current complex
Tallest Documented Hemp Plant
24 ft 1 in
- Holder
- Hemp Traders / Riverdale Farm
- Location
- California, USA
- Date
- 2021-09-10
Largest Documented EU-GMP Cannabis Production Campus
4.8 million sq ft
- Holder
- Village Farms International / Pure Sunfarms
- Location
- Delta, British Columbia, Canada
- Date
- Current company statement, 2026
No entries found
Try a broader search or clear the active filters.