SubTrends
Other

Averages 34 posts/day, top 5% activity. Most active Sundays around 8 AM UTC. Mostly image posts (97%).

Posts / Day Average posts per day this month. Arrow is change vs the prior calendar month.
34 6%
Avg Upvotes Mean net upvotes per post this month (upvotes minus downvotes). Arrow is change vs the prior month.
650 12%
Avg Comments Mean number of comments per post this month. Arrow is change vs the prior month when that month’s data is available.
57 8%
Activity Rank #4,121 by posts/day among 90,883 tracked SFW subreddits as of Sep 2026 (Top 5%). Arrow is spots gained or lost vs the prior month.
#4,121 360
Top 5%
Posts w/ Links The percentage of posts that link off-site. This counts true link posts plus text posts with a URL in the body. Image and video posts are not counted.
3%
Low-Reply Rate Share of posts with 0 or 1 comment. A single comment is often an automated mod reply rather than real community discussion.
26%

r/HistoricalCapsule Traffic & Engagement

Volume and engagement over time

Posts/DayAvg Upvotes020406005001k1.5k2kSep 1Sep 8Sep 15Sep 22Sep 29
Posts/Day Avg Upvotes Mean net upvotes per post in this bucket.

Post Format

Top Post Type Image
Typical Title Length Medium (122 chars)
Peak Day Friday

Upvote Distribution

How upvoted posts perform Only posts with 2+ upvotes. The bands below show how those posts are spread by upvote count.

2–9
11%
10–99
33%
100–999
38%
1K+
18%
Posts that get upvoted Share of posts that received at least one upvote (2+ net upvotes). Most posts at 1 upvote are excluded. 85%
Median upvoted post Median upvotes among posts that received upvotes. Differs from Avg Upvotes in the snapshot, which includes every post. 140
Top post Highest upvote count on a single post this month. 18.1K

r/HistoricalCapsule Most Active Times

Peak posting by day and hour (UTC)

Sun
Mon
Tue
Wed
Thu
Fri
Sat
12 AM
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← Swipe →
#1 Top 3 activity windows

Most Active by Day

Sun 8 AM
Mon 1 PM
Tue 2 PM
Wed 12 PM
Thu 7 PM
Fri 2 PM
Sat 1 PM

r/HistoricalCapsule Flair Performance

Upvotes and volume by flair

This subreddit doesn't use post flairs.

No flaired posts were found in this month's data.

Post Type Breakdown

Share by text, image, or link

96%image posts

r/HistoricalCapsule Trending Keywords

Ranked by how often they appear

KeywordMentions ▼UpvotesComments
war
68 (6.7%)
65259
years
61 (6.0%)
1.2K81
first
56 (5.5%)
41147
photo
54 (5.3%)
55750
old
49 (4.8%)
1.3K126
taken
48 (4.8%)
56754
black
45 (4.5%)
54728
september
43 (4.3%)
1.1K53
year
43 (4.3%)
1.4K88
army
40 (4.0%)
71279

r/HistoricalCapsule Mentioned Domains

Most linked sites

Domain Links Upvotes
youtu.be71

r/HistoricalCapsule Top Posts

Highest-performing posts

The cover of TIME Magazine for September 14, 2001 -- published with a black border.

18.1K upvotes 681 comments image Sep 7

“The Falling Man”, Associated Press (09/11/2001). At 9:41am, an AP photographer captured a man falling headfirst from the upper floors of the WTC North Tower. Though officially unknown, he would become a powerful symbol of all unidentified victims of the 9/11 attacks.

18.1K upvotes 1.5K comments image Sep 11

"Special effects" in Conan the Destroyer (1984)

17.2K upvotes 269 comments image Sep 14

A father desperately tries to shield his child as they huddle behind a barrel under a rain of bullets. 26 years later the image of Palestinian boy Muhammad al Durrah and his father remains an iconic and haunting symbol of childhood innocence and parental love trapped in conflict

16.1K upvotes 1.3K comments image Sep 3

Edna Cintron is possibly one of the most well known people to die on 9/11 apart from the man in the 'Falling Man' picture. Edna was trapped in the North tower and made her way to the open gash were she could look out. May she rest in peace.

12.8K upvotes 763 comments image Sep 7

Baltimore residents cleaning their famous marble steps. The white marble steps in these row houses used to be the city's badge of pride and one of their most distinctive symbols

11.4K upvotes 544 comments image Sep 30

Photos of Tom Cruise from a little-known gay magazine called Parlée have resurfaced 45 years later, along with claims that he tried to suppress the issue. (1981)

11.3K upvotes 978 comments image Sep 25

Legendary actor Sir Christopher Lee posing alongside his wife, Birgit Krøncke, who he was married to for 50 yrs, in 1966. Christopher Lee met Rasputin's assassins, was a RAF intelligence officer in WWII, spoke 9 languages, was Ian Fleming's cousin, and was the only actor to meet J.R.R. Tolkien.

11.1K upvotes 380 comments image Sep 19

Mel Brooks and his future wife Anne Bancroft celebrating the news learned that she won the Academy Award for Best Actress for The Miracle Worker on April 9, 1963. They would marry the following year and stay together until her passing in 2005

7.9K upvotes 68 comments image Sep 19

Finnish sniper Simo Häyhä with his dog Kille (1961). Nicknamed ‘The White Death’, he was credited with 505 confirmed kills during WW2.

7.7K upvotes 613 comments image Sep 26

r/HistoricalCapsule Audience Overlap

Overlapping audiences

r/HistoricalCapsule FAQ

What's the best time to post on r/HistoricalCapsule?

Based on posting volume, r/HistoricalCapsule is most active on Sundays around 8 AM UTC. That window has the most community activity, but busier hours also mean more competition for attention.

How active is r/HistoricalCapsule?

r/HistoricalCapsule averages 34 posts per day and ranks in the top 5% for activity among tracked SFW subreddits.

How many upvotes do posts on r/HistoricalCapsule get?

Posts on r/HistoricalCapsule average about 650 upvotes this month (net score per post).

What kind of posts does r/HistoricalCapsule get most?

On r/HistoricalCapsule, most posts are image posts (97%)