Year 400 (CD) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar. In the Roman Empire, it was known as the...

The 400 metres, or 400-meter dash, is a sprint event in track and field competitions. It has been featured in the athletics programme at the Summer Olympics...

The 400 metres hurdles is a track and field hurdling event. The event has been on the Olympic athletics programme since 1900 for men and since 1984 for...

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...

400 may refer to: 400 (number), the natural number following 399 and preceding 401 A year: 400 BC or AD 400 The Four Hundred, the oligarchic government...

The first world record in the 400 metres individual medley in long course (50 metres) swimming was recognized by the International Swimming Federation...

States. A 400-mile race was also run at the track in November 1963. The race distance was 400 miles until 1976 when it was shortened to 249 miles (400 kilometers)...

The Hollywood Casino 400 is a 400.5-mile (644.5 km) NASCAR Cup Series stock car race held at Kansas Speedway in Kansas City, Kansas. This race is the second...

The Hawker 400 (also known as the Beechjet 400) is a light business jet. Initially designed and built by Mitsubishi, it has been further developed and...

2002) is a French swimmer. He is the world record holder in the long course 400 metres individual medley; the Olympic record holder in the 200 metres butterfly...