This is fun. Below are common things you know in the english speaking world. It´s also a purported test for Mensa. Example: 24HinD=24 Hours in a Day. See if you can get them all. Don´t peek, but answers are inside. If you get 28 or more, you are in the "genius" category.
1 26 L of the A
2 7 D of the W
3 7 W of the W
4 12 S of the Z
5 66 B of the B
6 52 C in a P (WJs)
7 13 S in the USF
8 18 H on a G C
9 39 B of the O T
10 5 T on a F
11 90 D in a R A
12 3 B M (S H T R)
13 32 is the T in D F at which W F
14 15 P in a R T
15 3 W on a T
16 100 C in a R
17 11 P in a F (S) T
18 12 M in a Y
19 13=UFS
20 8 T on a O
21 29 D in F in a L Y
22 27 B in the N T
23 365 D in a Y
24 13 L in a B D
25 52 W in a Y
26 9 L of a C
27 60 M in a H
28 23 P of C in the H B
29 64 S on a C B
30 9 P in S A
31 6 B to an O in C
32 1000 Y in a M
33 15 M on a D M C
1 26 L of the A
2 7 D of the W
3 7 W of the W
4 12 S of the Z
5 66 B of the B
6 52 C in a P (WJs)
7 13 S in the USF
8 18 H on a G C
9 39 B of the O T
10 5 T on a F
11 90 D in a R A
12 3 B M (S H T R)
13 32 is the T in D F at which W F
14 15 P in a R T
15 3 W on a T
16 100 C in a R
17 11 P in a F (S) T
18 12 M in a Y
19 13=UFS
20 8 T on a O
21 29 D in F in a L Y
22 27 B in the N T
23 365 D in a Y
24 13 L in a B D
25 52 W in a Y
26 9 L of a C
27 60 M in a H
28 23 P of C in the H B
29 64 S on a C B
30 9 P in S A
31 6 B to an O in C
32 1000 Y in a M
33 15 M on a D M C