Ballpark — March 11, 2026

Years the Berlin Wall stood

28 years

1961 to 1989.

Time zones in Russia

11 time zones

Stretches across much of the northern hemisphere.

States in the USA that touch the Pacific Ocean

5 states

CA, OR, WA, AK, and HI.

Species of birds in the world

10,000 species

Estimated by the Cornell Lab of Ornithology.

Heart rate of a blue whale

8 beats per minute

Can drop as low as 2 BPM during deep dives.