The 1977 amendments, by eliminating the separate lower minimum for large agricultural employers (although retaining the overtime exemption), set a new uniform wage schedule for all covered workers. The minimum went to $2.65 an hour in January 1978, $2.90 in January 1979, $3.10 in January 1980, and $3.35 in January 1981.
http://www.dol.gov/whd/minwage/coverage.htm
1 Employees covered under the federal Fair Labor Standards Act are subject to the federal minimum wage of $7.25, but those not covered under the FLSA may be paid the state minimum wage of $5.15.
http://www.ncsl.org/research/labor-and-employment/state-minimum-wage-chart.aspx
5 The Massachusetts minimum wage rate automatically increases to 10 cents above the rate set in the Fair Labor Standards Act if the Federal minimum wage equals or becomes higher than the State minimum. 6 Minnesota: With the passage of H.B. 2091 (2014), the annual sales volume threshold was reduced to $500,000. For large employers, with an annual sales volume of $500,000 or more, the minimum wage is $8.00; for small employers, those with an annual sales volume of less than $500,000, the minimum wage is $6.50.
http://www.ncsl.org/research/labor-and-employment/state-minimum-wage-chart.aspx
1 The Georgia state minimum wage is $5.15. 2  Employees covered under the federal Fair Labor Standards Act are subject to the federal minimum wage of $7.25, but those not covered under the FLSA may be paid the state minimum wage of $5.15.
http://www.ncsl.org/research/labor-and-employment/state-minimum-wage-chart.aspx
In 1949, the minimum wage was raised from 40 cents an hour to 75 cents an hour for all workers and minimum wage coverage was expanded to include workers in the air transport industry. The 1949 amendments also eliminated industry committees except in Puerto Rico and the Virgin Islands.
http://www.dol.gov/whd/minwage/coverage.htm
The minimum wage went to $1.00 an hour effective February 1967 for newly covered nonfarm workers, $1.15 in February 1968, $1.30 in February 1969, $1.45 in February 1970, and $1.60 in February 1971.
http://www.dol.gov/whd/minwage/coverage.htm
The minimum wage was raised to $3.80 an hour beginning April 1, 1990, and to $4.25 an hour beginning April 1, 1991. The amendments also established a training wage provision (at 85% of the minimum wage, but not less than $3.35 an hour) for employees under the age of twenty, a provision that expired in 1993.
http://www.dol.gov/whd/minwage/coverage.htm
A 1955 amendment increased the minimum wage to $1.00 an hour with no changes in coverage. The 1961 amendments greatly expanded the FLSA's scope in the retail trade sector and increased the minimum for previously covered workers to $1.15 an hour effective September 1961 and to $1.25 an hour in September 1963.
http://www.dol.gov/whd/minwage/coverage.htm
US$7.25 per hour ($14,500 per year) under certain states' laws (or $2.13 for employees who receive tips, known as the tipped minimum wage), $9.47 in the US state of Washington, and £ 6.50 (for those aged 21+) in the United Kingdom – but also in terms of which pay period (e.g.
https://en.wikipedia.org/wiki/Minimum_wage
Nevada. $8.25/$7.25 9. Increases subject to the federal minimum wage and consumer price index. Increases take effect July 1. (Constitutional amendment 2004/2006). New Hampshire. repealed by HB 133 (2011). New Jersey. $8.38. Indexed annual increases based on the CPI, effective Jan. 1, 2014.
http://www.ncsl.org/research/labor-and-employment/state-minimum-wage-chart.aspx
what was minimum wage enacted for
The minimum wage enacted was $5.15. The minimum wage for enacted was $5.15.