If someone is 2.57 meters tall, we would say this person is super tall. Can this person be the tallest on record?
The tallest man in history was Robert Pershing Wadlow. He was 2. 72 meters tall! When he was born, he was just like other babies. But as he was growing, he became unusual from other children. Let's take a look at the timeline of Robert's early years of life:
Childhood
1918 Robert Pershing Wadlow was born on February 22. He weighed a normal (正常的) 3. 9 kilograms. When he was six months old, he weighed 13. 6 kilograms.
1919 When he was 18 months old, he weighed almost 30 kilograms.
1923 Robert went to kindergarten- the place like a school or class for children aged five. He was already 1. 7 meters tall. He could wear the clothes of a 17-year-old boy.
1926 When Robert was eight years old, he was over 1. 8 meters tall.
1927 Robert could carry his father up the stairs (楼梯) of their home.