1 video every 10 days
Publishing pace
Hidden History
Channel focuses on World War II naval history, with an emphasis on battleships and submarines (including U‑boats and US warships). Videos concentrate on individual ship histories and combat actions—covering notable battles, sinkings, secret or unusual missions, and hazardous cargo/incidents tied to those vessels.
Channel stats
Calculated from videos published in the last 12 months
Regular
Publishing regularity
20 min
Average video duration
1 h 3 min
Published time per month
