900 b.C.
The Olmec civilization began around 1200 BC in the southern parts of Mexico.
The Olmecs were not affected by the Spanish. The Spanish came long after the fall of the Olmec civilization.
they reached their peak in the 1300s
It reached a peak in the Holocaust.
metformin reach peak ef fect after 2-4 days
Peak can be used as a verb. Merriam-Webster.com defines peak as "to reach a maximum (as of capacity, value, or activity).
Hot hands reach their peak heat level at around 135 degrees Fahrenheit.
Urban centralization reached its peak in the US in 1900
I reached the shoulder peak during the hike.
1988
1957
69 days