Britain joined the European Economic Community (EEC), as it then was, with effect from 1 Janaury 1973. The EEC has since then evolved into the EU.
The 1973 Oil Crisis.
Many things.
Spain (1935-1973).
Everything started out on October 18, 1842 when Samuel Morse passed telegraph signals through water. This led to the idea of wireless by conduction. Then, in 1865, a Dr. Mahlon Loomis was the first person to communicate throught wireless atmosphere. In the 1970's Motorola and AT&T were competing to see who could be the first to invent a mobile phone. Motorola won! On April 3, 1973, Martin Copper from Motorola made the first ever cell phone call in New York City to his competitors! The first cell phone invented was Motorola s Dyna-Tac in 1973. It was 9*5*1.75 inches. It weighed 2.5 pounds and had no display. It used 30 circuit boards and the talk time was only 35 minutes. Then you had to charge it for 10 hours! In 1978, AT&T and Bell Labs held public trials with 2000 trial customers for cell phones in Chicago. The first commercial cell phone system was in Tokyo in 1979. Motorola and American Radio had the 2nd US cellular radio-telephone test in Washington/Baltimore. Then, in 1983, Motorola produces the 16 ounce Dyna-Tac. They sold for $3500 each! Well, that's a little of the history of the cell phone.
First issue? I think you mean mint - which means it's unused. Many factors are involved in pricing the stamp: what country, condition of the stamp, which particular stamp (more than one stamp was issued in 1973) and whether it is new or used. Without more details it is not possible to answer your question properly.
The US did not have a non-denominated stamp in 1973. The first one was issued in 1975 for Christmas.
The first African-American woman honored on her own stamp was Harriet Tubman in 1978. Some of the letter-sorters shown on a 1973 stamp appear to black women.
Class of '63 - 1973 TV was released on: USA: 14 March 1973
First Women's Cricket World Cup was held in 1973 in England.
Class of '63 - 1973 TV is rated/received certificates of: Iceland:L
Chase - 1973 A Bit of Class 1-11 was released on: USA: 11 December 1973
First Women's Cricket World Cup was held in 1973 in England; two years before the first Men's Cricket World Cup.
First Women's Cricket World Cup was held in 1973 in England.
England Made Me - 1973 is rated/received certificates of: Iceland:12 UK:AA USA:PG
Barnaby Jones - 1973 The Murdering Class 1-4 was released on: USA: 4 March 1973
England Made Me - film - was created in 1973.