X.400 is a suite of ITU-T recommendations that define the ITU-T Message Handling System (MHS). At one time, the designers of X.400 were expecting it to...

The 4 × 400 metres relay or long relay is an athletics track event in which teams consist of four runners who each complete 400 metres or one lap, totaling...

005, 400 m in 52.52, an Asian record, and 400 m hurdles in 56.64, with the final two coming in a span of 35 minutes. Her fifth gold came in 4 x 400 m relay...

for the 4 by 400 meter relay. He is still a world record holder for the 4 x 400 meter relay. In 2004, Johnson was voted into the United States Track & Field...

The men's 4 x 400 metres relay at the 2024 Summer Olympics was held in two rounds at the Stade de France in Paris, France, on 9 and 10 August 2024. This...

Tri-X was released in 35 mm and 120 formats in 1954. Currently it is available in two speeds, ISO 320/26° (320TXP) and 400/27° (400TX). Tri-X 400 is the...

The women's 4 x 400 metres relay at the 2024 Summer Olympics was held in two rounds at the Stade de France in Paris, France, on 9 and 10 August 2024....

The S-400 Triumf (Russian: C-400 Триумф – Triumf; translation: Triumph; NATO reporting name: SA-21 Growler), previously known as the S-300 PMU-3, is a...

extensions to X.400 for messaging in military environments. It is NATO standard STANAG 4406 and CCEB standard ACP 123. It adds to standard X.400 email support...

team (in this page only at senior level), in the races of 4 x 100 metres relay and 4 x 400 metres relay at the International athletics competitions such...