#IWD2021 on X: trending history
#IWD2021 has trended in 46 locations since 25 February 2021. It was last on a list 20 March 2021.
Biggest days
| 2 Mar 2021 | 3 locations | |
| 4 Mar 2021 | 2 locations | |
| 5 Mar 2021 | 8 locations | |
| 7 Mar 2021 | 8 locations | |
| 8 Mar 2021 | 44 locations | |
| 9 Mar 2021 | 8 locations |
Every time it trended
List updates per year, all locations.
Post volume on its busiest days
Highest volume recorded with the trend; 9 days have a figure.
- 9 March 20211,189,647 posts
- 8 March 20211,104,677 posts
- 7 March 202199,592 posts
- 6 March 202155,517 posts
- 5 March 202149,978 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. Counted across 2 spellings.