yes
From the early 1800s (exact time is unknown) to it's peak in the 1850s and 60s (once slaves were freed by President Abraham Lincoln, there was no longer any need for the Underground Railroad)
Velcro was invented in 1948 and patented in 1955, but did not become popular until the late 60s. Velcro wallets peaked in the 80s, but have since lost popularity to traditional wallet designs.
There are many radio stations that play music from the 60s. Examples of radio stations that play music from the 60s includes Live365 Internet Radio and the 60s Radio at TuneIn.
BMX bikes weren't around in the 60s.
Laura was not in her 60s when she started to write her books.
The 60s look the 60s style is coming back
no
The most popular names in the 60s were Thomas, Charles, and Paul.
1min = 60s 6.6min x 60s/min = 396s
It was open as an immigration base from 1910-1940.During the Civil War it was called Fort McDowell and established to watch Confederates.During WWII it served as a place for German and Japanese POWS.It served as a Nike Missile site in the 1950s and '60s.
60s = 1min 1800s x (1min/60s) = 30min
Fluid, or performance, intelligence reaches its peak in young adults.Global human intelligence can be viewed as the sum of fluid, or performance, and crystallized, or verbal, intelligences. Thus, Gt = Gf + Gc.Some modern IQ tests explicitly reflect this notion, and include subtests for both crystallized and performance intelligence tasks.It is known that performance intelligence reaches its peak in the early 20s and then declines through adulthood, while verbal intelligence tends to increase until the early 60s.