Theorem of the Day has a 'new acquisitions': Theorem no. 221, the Inclusion-Exclusion Principle

Theorem of the Day has 'new acquisitions': Theorem no. 218, Riemann Rearrangement Theorem no. 219, Integration by Parts, and Theorem no. 220, the Pappus-Guldin Theorems

Theorem of the Day has 'new acquisitions': Theorem no. 216, Irrationality of Unit Circle Circumference and Theorem no. 217, Taylor's Theorem

Theorem of the Day has a 'new acquisition': Theorem no. 215, Wedderburn's Little Theorem

Theorem of the Day has a 'new acquisition': Theorem no. 214, a Theorem on Maximal Sum-free Sets in Groups

Theorem of the Day has a 'new acquisition': Theorem no. 213, The Six Circles Theorem

Theorem of the Day has a 'new acquisition': Theorem no. 212, Vizing's Theorem

Theorem of the Day has a 'new acquisition': Theorem no. 211, Willans' Formula

Theorem of the Day has a 'new acquisition': Theorem no. 209, The Erdos Discrepancy Conjecture

Theorem of the Day has a 'new acquisition': Theorem no. 210, The Basel Problem

Theorem of the Day has a 'new acquisition': Theorem no. 208, Torricelli's Trumpet

Theorem of the Day has a 'new acquisition': Theorem no. 207, the Eratosthenes-Legendre Sieve

Theorem of the Day has a 'new acquisition': Theorem no. 206, Euler's Formula

Theorem of the Day has a 'new acquisition': Theorem no. 205, The Classification of the Semiregular Tilings

Theorem of the Day has a 'new acquisition': Theorem no. 204, Singmaster's Binomial Multiplicity Bound (a 'theorem under construction'!)

Theorem of the Day has a 'new acquisition' to celebrate Tau Day: Theorem no. 203, Euler's Continued Fraction Correspondence

Theorem of the Day has a 'new acquisition': Theorem no. 202, the Friedlander-Iwaniec Theorem

Theorem of the Day has a 'new acquisition': Theorem no. 201, Jensen's Inequality

Theorem of the Day has a 'new acquisition': Theorem no. 200, Minkowski's Convex Body Theorem

Theorem of the Day has a 'new acquisition': Theorem no. 199, Fermat's Two-Squares Theorem