1954day.year

In a top secret nuclear test, a Soviet Tu-4 bomber drops a 40 kiloton atomic weapon just north of Totskoye village.

In 1954, the Soviet Union conducted a top-secret nuclear test near Totskoye using a Tu-4 bomber, yielding a 40-kiloton explosion.
On September 14, 1954, the Soviet Air Force carried out a top-secret nuclear test near the village of Totskoye. A specially modified Tu-4 bomber released a 40-kiloton atomic device over a designated test zone under strict secrecy. The operation aimed to assess the tactical deployment of nuclear weapons from aircraft at medium altitudes. Military personnel and observers in protective gear witnessed the blast's immense fireball and mushroom cloud, though full details remained classified for decades. This test highlighted the escalating nuclear arms race and the strategic doctrines shaping superpower confrontations.
1954 top secret nuclear test Tu-4 bomber kiloton Totskoye
1958day.year

The first two German post-war rockets, designed by the German engineer Ernst Mohr, reach the upper atmosphere.

In 1958, Germany's first post-war rockets designed by Ernst Mohr reached the upper atmosphere, marking a revival in German rocketry.
In 1958, Germany overcame post-war restrictions with the launch of its first two domestically designed rockets, conceived by engineer Ernst Mohr. These experimental vehicles successfully reached the upper atmosphere, validating Mohr's innovative propulsion systems and guidance technology. Developed amid Cold War tensions, the project marked the rebirth of German rocketry after World War II. Flight data from these missions contributed to subsequent advances in high-altitude research and space exploration. Though modest in scale, the achievement restored Germany's position in aerospace engineering and inspired future generations of scientists and engineers.
1958 rockets Ernst Mohr
1984day.year

Joe Kittinger becomes the first person to fly a gas balloon alone across the Atlantic Ocean.

In 1984, Joe Kittinger became the first person to cross the Atlantic Ocean alone in a gas balloon, achieving a landmark in aviation history.
On September 14, 1984, Joe Kittinger became the first person to fly solo across the Atlantic Ocean in a gas balloon, marking a landmark in aviation endurance. He launched in a specially designed gas balloon and navigated changing weather systems across thousands of miles of open ocean. His journey tested both his piloting skills and the durability of his balloon and life-support equipment. After several days aloft, he landed safely in Europe, completing a transatlantic crossing that few had dared to undertake. Kittinger's feat advanced understanding of long-duration balloon flights and inspired future explorers.
1984 Joe Kittinger gas balloon
2000day.year

Microsoft releases Windows Me.

Microsoft released Windows Millennium Edition (Windows Me) in 2000, offering home PC users enhanced multimedia tools and a new System Restore feature.
On September 14, 2000, Microsoft launched Windows Millennium Edition (Windows Me), the final release in the Windows 9x family. The operating system introduced built-in multimedia applications such as Windows Movie Maker and enhanced digital media support. A key feature was System Restore, designed to help users recover from system errors. Windows Me targeted home users with simplified networking and internet connectivity. Despite its innovations, the release faced criticism for stability and compatibility issues. Many users eagerly awaited its successor, Windows XP, which addressed several of Me's shortcomings.
2000 Microsoft Windows Me
2015day.year

The first observation of gravitational waves is made, announced by the LIGO and Virgo collaborations on 11 February 2016.

On September 14, 2015, scientists at LIGO and Virgo detected gravitational waves for the first time.
On September 14, 2015, the LIGO and Virgo collaborations made the first direct observation of gravitational waves, ripples in spacetime predicted by Albert Einstein a century earlier. The signal, designated GW150914, originated from the merger of two black holes about 1.3 billion light-years away. This breakthrough confirmed a key prediction of general relativity and opened a new era in astronomy, allowing scientists to study cosmic events through gravitational radiation. The result was announced publicly on February 11, 2016, earning the teams the 2017 Nobel Prize in Physics. It marked a transformative moment in our understanding of the universe.
2015 first observation of gravitational waves LIGO Virgo