Chrono-Wiki Index [O] (알파벳 O 위키 색인 목록)
Browse comprehensive chronological biographies and timelines of notable historical figures and innovators under 'O'.
Key Features & Highlights
- Curated chronological timelines and biographies for historical figures under 'O'
- Interactive milestone timelines with birth, achievements, turning points, and legacy
- Fact-checked biographical summaries and Wikipedia citations
- Direct navigation to daily historical date hubs and year chronologies
Frequently Asked Questions (FAQ)
Q. Which figures are included under 'O'?
All notable historical figures, scientists, philosophers, and artists whose titles or English names begin with 'O' are organized chronologically.
Q. Can I view the full timeline and milestone details for each person?
Yes, click on any figure to view their 3-act editorial biography, milestone timeline, and interactive quiz.
Alphabetical Entries for 'O' (356 Total Figures & Turning Points)
Explore historical figures and milestones starting with O. Click any entry to view their 3-act editorial biography and timeline:
- O. J. Simpson — NFL star and actor whose career was overshadowed by high-profile criminal t
- Olivia Rodrigo — Pop icon known for raw songwriting, rising from Disney acting to chart domi
- Occupation of the Baltic states — The Baltic states (Estonia, Latvia, Lithuania) endured Soviet and Nazi Germ
- Olivia Wilde — American actress and filmmaker known for roles in 'House' and directorial d
- Olusegun Obasanjo — Nigerian statesman, former army general, and President of Nigeria (1999–200
- Ong Seong-wu — South Korean singer and actor known for Wanna One, solo music, and drama ro
- Ossie Davis — Pioneering American actor, director, writer, and tireless civil rights acti
- Oudh State — A historical Mughal subah and independent kingdom in North India, annexed b
- Ozzy Osbourne — English singer, songwriter, and media icon, known as the "Prince of Darknes
- Oda Nobunaga — Pioneering warlord who paved the way for Japan's unification.
- Oh Ha-young — South Korean singer and actress, best known as a member of the girl group A
- Olaf Scholz — German politician, former Mayor of Hamburg, and Chancellor of Germany.
- Ole Einar Bjørndalen — Legendary Norwegian biathlete, the 'King of Biathlon', with 95 World Cup wi
- Operation Barbarossa — The massive 1941 invasion of the Soviet Union by Nazi Germany and its allie
- Opposition to immigration — A political stance advocating for the restriction or banning of non-citizen
- Orangism (Dutch Republic) — Political movement supporting the Princes of Orange in the Dutch Republic.
- Otto Preminger — Influential Austrian-American director known for pushing Hollywood's bounda
- Ottoman wars in Europe — A series of military conflicts between the Ottoman Empire and various Europ
- Overthrow of the Hawaiian Kingdom — The overthrow of the Hawaiian Kingdom in 1893 by foreign interests and US i
- O Yeong-su — Acclaimed South Korean actor known for stage mastery and global recognition
- Oasis (band) — Iconic English rock band, central to the Britpop movement.
- Ocean exploration — The historical study and physical journey across Earth's vast ocean surface
- OCLC (identifier) — A US-based nonprofit cooperative providing shared technology services to th
- Oh Ji-ho — Acclaimed South Korean actor known for romantic comedies and historical dra
- Oh Jong-hyuk — South Korean singer and member of the boy band Click-B, known for his solo
- Oh Jung-se — Acclaimed South Korean actor known for roles in It's Okay to Not Be Okay an
- Oh Man-seok — Acclaimed South Korean actor known for his transformative roles in theater
- Oh Shin-hwan — South Korean actor and conservative politician known for his political care
- Oh Yeon-seo — Acclaimed South Korean actress known for roles in dramas like My Husband Go
- Oleksandr Usyk — Ukrainian professional boxer, known for undisputed titles in cruiserweight
- Olivia Munn — American actress and host known for roles in film and advocacy for women's
- Olivier Blanchard — Influential French economist and professor specializing in macroeconomics a
- Omnibus Law on Job Creation — Indonesian omnibus law aiming to boost investment by streamlining regulatio
- Opposition to United States involvement in the Vietnam War — The social movement opposing US military intervention in Vietnam (1965–1973
- Oregon Trail — Historic 2,170-mile wagon route connecting Missouri to Oregon Territory.
- Orson Welles — Visionary American actor and filmmaker, celebrated for innovative work in f
- Ostia Antica — Major archaeological site and former bustling port city of ancient Rome.
- Ottoman–Mamluk War (1516–1517) — The 1516–1517 conflict that ended Mamluk rule, incorporating Egypt and the
- Owen Richardson — Pioneering British physicist known for Richardson's law and Nobel Prize wor
- Oxford — Historic English city, renowned for its ancient university and confluence o