April 4

Happy Birthday to American actor, producer and screenwriter Robert Downey Jr. (1965).

In 1973, the opening ceremony of the World Trade Center in New York takes place.

April 5

See veteran Welsh singer Tom Jones return for a concert in Bangkok. Sing along to classics like "It's Not Unusual," "Kiss," "I'll Never Fall In Love Again," "Sex Bomb" and many more from 7:30 pm at Centara Grand, CentralWorld. Tickets are 2,500 baht to 4,500 baht from Thai Ticketmajor. For more information, call 02 262 3456.

In 1998, Japan's Akashi Kaikyo Bridge opens to traffic, becoming the largest suspension bridge in the world.

April 6

Until the end of the month at Kathmandu Photo Gallery on Pan Road, see Danse Macabre, a photographic exhibition by local artist Pahparn Sirima Chaipreechawit showcasing her classical sense of beauty and composition. The gallery is open Tuesday to Saturday from 11 am to 6 pm. For more details, call 02 234 6700.

It's the last day at S Gallery, Sofitel Bangkok Sukhumvit to see Cosmic Portraits, an exhibition of 20 vibrant and personal paintings by Swiss artist Raffaello Somazzi. The gallery is open daily from 10 am to 10 pm. For more details, call 02 126 9999.

April 7

In 2001, Mars Odyssey, a robotic spacecraft orbiting the planet Mars, is launched.

In 1948, the World Health Organization is established by the United Nations.

April 8

In 1994, Nirvana's lead singer and guitarist Kurt Cobain is found dead in his home at the age of 27. He had committed suicide three days before.

In 1908, Harvard University votes to establish the Harvard Business School in Boston, US.

April 9

In 1937, the Kamikaze -- the first Japanese-built aircraft to fly from Japan to Europe -- arrives at Croydon Airport in London.

In 1961, the Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.

April 10

Birthday wishes go out to American singer and actress Mandy Moore (1984).

In 1998, a peace deal is reached in Northern Ireland, ending decades of political violence.