## Encyclopedia > May 17

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# May 17

May 17 is the 137th day of the year in the Gregorian calendar (138th in leap years). There are 228 days remaining.

• National holiday of Norway (Constitution Day)
• Bahá'í Faith - Feast of 'Azaamat (Grandeur) - First day of the forth month of the Bahá'í Calendar

 Fundamental theorem of calculus ... is any antiderivative of the function $f(x)$ (i.e. if $F'(x) = f(x)$), then [itex]\int_a^b f(x) dx = F(b) - ...