F-21 on X: trending history
F-21 has trended in 5 locations since 20 February 2019. It was last on a list 14 May 2019.
First seen
20 Feb 2019
Last seen
14 May 2019
Locations
5
Best rank
–
Biggest days
| 20 Feb 2019 | 5 locations | |
| 13 May 2019 | 1 location | |
| 14 May 2019 | 1 location |
Where it trended most
- India 3 updates
- Algeria 1 update
- Belarus 1 update
- Puerto Rico 1 update
- Vietnam 1 update
Every time it trended
List updates per year, all locations.
2019
7 updates, 3 days
Post volume on its busiest days
Highest volume recorded with the trend; 1 day has a figure.
- 20 February 201912,542 posts
From twtData's records of X trends in 450+ locations: the biggest countries every hour, the rest once a day. An "update" is one snapshot that listed this topic. Rank and hours on the lists count from November 2025, when our snapshots started keeping X's order; earlier days count only for locations and dates.