No.  Firstly, as the SDA  Church 
Secondly, Adventists might claim that as believers in progressive revelation, they are merely re-discovering ancient truths rather than inventing new ones.  For example, the Adventist view on Soul Sleep was shared by Martin Luther, and is now becoming increasingly accepted within modern scholarship:
Finally, it should be remembered that distinctive Evangelical-Pentecostal beliefs, many of which are now considered ‘mainstream’, were also formulated recently.  For example, the doctrines of the Rapture and Dispensationalism were largely established by John Darby (b1800 - d1882), the founder of the Exclusive (Darbyite) Brethren (which incidentally many consider a cult, whether rightly or wrongly).
 
 
Further to the point, did you know the RC Church only officially adopted:
ReplyDelete- infant baptism until the 2nd century A.D.;
- Sunday-keeping by an edict of Emperor Constantine in 321;
- original sin at the 2nd Council of Orange in 529;
- celibacy for priests at the First Lateran Council in 1123;
- the immaculate conception of Mary as a doctrine in 1854; and
- papal infallibility in 1870.
Thus, tradition means nothing – and in many cases it isn’t as long a tradition as people might think. 7th-day