Category hub
Anniversary countdowns
Countdowns to major national, civic, and historical anniversaries.
Date and source policy
- Included here
- 27 upcoming anniversary countdowns; past entries are kept off this indexed hub.
- Date certainty
- 27 scheduled. Expected and windowed dates are labeled before users reach calendar actions.
- Schema safety
- This hub emits breadcrumb schema only. Detail pages withhold precise Event startDate schema for expected, tentative, or windowed records.
Source policy reviewed Apr 30, 2026. Category hubs aggregate source-linked records from the countdown catalog. Feed-derived entries keep their certainty labels, and the detail page remains the final place to verify the source.
Confirmation checklist
How to use anniversary countdowns
Choose by certainty
Open the detail page
Check adjacent views
Act only after source review
Category explainer
Browsing anniversary countdowns
What defines this category
Why browse by category
What is in view now
How the list is filtered
Pearl Harbor 85th Anniversary
iPhone — 20th Anniversary (Announcement)
BlackRock IBIT Spot Bitcoin ETF — 3-Year Anniversary
Ayodhya Ram Mandir Pran Pratishtha 3rd Anniversary
Netaji Subhas Chandra Bose 130th Birth Anniversary (Parakram Divas)
78th Indian Republic Day
US Strategic Bitcoin Reserve — 2-Year Anniversary
Jallianwala Bagh Massacre 108th Anniversary
Lindbergh Transatlantic Flight Centennial
Star Wars 50th Anniversary
80th Indian Independence Day
Elvis Presley — 50th Death Anniversary
Netflix — 30th Anniversary
Princess Diana 30th Death Anniversary
Voyager Mission — 50th Anniversary (Voyager 1 launch)
Ethereum Merge — 5th Anniversary
CME Bitcoin Futures — 10th Anniversary
Mahatma Gandhi — 80th Death Anniversary (Martyrs' Day)
MLK 60th Assassination Anniversary
Google — 30th Anniversary
Mickey Mouse 100th Anniversary
26/11 Mumbai Attacks 20th Anniversary
Bhopal Gas Tragedy 44th Anniversary
Bitcoin Genesis Block — 20th Anniversary
World Wide Web — 40th Anniversary
Apollo 11 Moon Landing — 60th Anniversary
Paris 2024 Olympics — 5-Year Anniversary
Common questions
Anniversary countdowns — FAQ
- What anniversary countdowns are coming up?
- 27 upcoming anniversary countdowns are tracked here, spanning 2026–2029. The list is filtered to entries whose date is still ahead; 27 scheduled.
- When is the next anniversary event?
- The nearest upcoming entry is "Pearl Harbor 85th Anniversary" on Monday, December 7, 2026 (scheduled). Open its detail page for the live countdown, source link, and local-time handling.
- How is the anniversary category defined?
- Countdowns to major national, civic, and historical anniversaries. Events are placed in this category when they share that subject type, regardless of region or calendar year — so a single category list mixes jurisdictions and years.
- What date confidence do anniversary countdowns use?
- Each card carries a certainty label: confirmed and scheduled dates can power precise timers, while expected and windowed dates are framed as monitoring targets. The detail page withholds precise Event startDate schema for tentative or windowed records.
Related countdown views