History of Breaking news in Timeline

By Popular Timelines Editorial Team · Updated: July 13, 2026

OpenAI has officially launched 'o1,' a new series of AI models designed to 'think' before they respond, marking a significant shift in large language model development. Unlike previous iterations that process queries instantly, the o1 series utilizes a chain-of-thought process to reason through complex tasks, particularly excelling in advanced mathematics, coding, and scientific problem-solving. During testing, the model demonstrated performance comparable to PhD students in challenging physics, chemistry, and biology problems. While currently integrated into ChatGPT for Plus and Team users, OpenAI plans to provide access to free users eventually. This release represents a strategic move toward 'reasoning' AI, aimed at reducing hallucinations and improving reliability in multi-step logical tasks, though the company acknowledges the model remains in early stages and continues to refine safety protocols alongside these enhanced cognitive capabilities.

1938: Fictionalized Radio News Bulletins

In 1938, the radio drama The War of the Worlds utilized fictionalized news bulletins to create a sense of realism, marking a significant moment in the history of broadcasting during the Golden Age of Radio.

1949: First Extended Television News Coverage

From April 8 to April 9, 1949, KTLA in Los Angeles provided the first-ever extended live television news coverage, broadcasting for 27.5 hours during the attempted rescue of Kathy Fiscus, a toddler who had fallen into a well in San Marino, California.

1963: Assassination of U.S. President John F. Kennedy

In 1963, the assassination of U.S. President John F. Kennedy served as a prime example of an extremely urgent event that triggered rare programming interruptions on television networks before the advent of dedicated 24-hour news channels.

1963: Assassination of John F. Kennedy

On November 22–26, 1963, news media provided four days of uninterrupted coverage regarding the assassination of President John F. Kennedy, marking one of the longest continuous news events in history.

1999: 1999 Oklahoma Tornado Outbreak and Evolution of Weather Coverage

During the 1999 Oklahoma tornado outbreak, the severity of the event, alongside other major storms in the 1990s, accelerated a shift in broadcast journalism. Broadcasters moved away from using simple alert crawls and transitioned to extended 'wall-to-wall' weather coverage when high-end alerts were issued to ensure public safety. This change in 1999 marked a permanent adjustment in how North American television and radio stations handle breaking weather reports.

2001: September 11 Attacks

Between September 11–15, 2001, news networks conducted four days of uninterrupted coverage to report on the September 11 terrorist attacks, representing one of the most significant sustained news events in television history.

2006: Sago Mine Disaster Reporting Errors

In 2006, the Sago Mine disaster became a prominent example of misinformation in breaking news when media outlets incorrectly reported that 12 out of 13 trapped miners had been found alive; in reality, only one survivor was confirmed after the initial inaccurate report.

June 2013: WDRB Criticizes Overuse of Breaking News Terminology

In June 2013, Louisville television station WDRB gained industry attention by launching a promotional campaign that challenged the widespread misuse of the "breaking news" label. The station argued that competitors were using the term as a deceptive marketing ploy for non-urgent stories and subsequently published a "Contract" with their viewers, pledging to reserve the "breaking news" designation only for stories that genuinely meet the criteria of being both immediate and significant.

2015: The Evolving Role of News Talking Heads

In 2015, the Financial Times reported on the shifting landscape of broadcast journalism, noting that advancements in technology and an increasing reliance on real-time social media commentary were diminishing the traditional demand for expert "talking head" segments in news programming.

2016: Pew Charitable Trusts Survey and New York Times Notification Strategy

In 2016, a Pew Charitable Trusts survey revealed that 55% of U.S. smartphone users received news alerts, while The New York Times reorganized its push notification system by segmenting content into 'Breaking News' and 'Top Stories' categories.

2017: Columbia Journalism Review Study on Push Notifications

A 2017 study conducted by the Columbia Journalism Review determined that 43% of the push notifications sent by news applications were categorized as unrelated to breaking news events.

2018: NPR Increased Notification Frequency

During 2018, National Public Radio significantly boosted the volume of push notifications sent to its mobile app users, covering both breaking news and general programming updates, which resulted in a divided response from their audience.

June 2022: CNN Updates Breaking News Style Guide

In June 2022, CNN chief Chris Licht implemented new internal guidance regarding the use of the term "breaking news" to address concerns that its frequent use had diminished the term's impact and caused unnecessary alarm among the audience.

2022: CNN Reform of Breaking News Usage

In 2022, CNN chairman and CEO Chris Licht initiated a policy to restrict the use of the label "breaking news" to only the most urgent and significant stories. This decision was driven by the observation that the frequent, indiscriminate use of the term across news networks had diluted its impact and urgency for the audience.