Ancient patches of a giant seagrass in the Mediterranean Sea are now considered the oldest living organism on Earth after scientists dated them as up to 200,000 years old.
You might have witnessed the following these events (via wikipedia)
60 years ago - Invention of the computer.130 years ago - Invention of the telephone.
180 years ago - Fossil fuel revolution: coal, trains.
540 years ago - Invention of the printing press.
5,500 years ago - Invention of the wheel, writing.
7,600 years ago - Sahara desert starts forming in northern Africa.
8,800 years ago - The first cities.
10,300 years ago - End of the most recent glacial period: the Wisconsin glaciation.
12,700 - 11,500 years ago - the Younger Dryas.
18,000 years ago - Cultivation of plants, herding of animals. Homo sapiens arrives in the Americas.
21,000 years ago - Last glacial maximum: ice sheets down to the Great Lakes, the mouth of the Rhine, and covering the British Isles.
32,000 years ago - Oldest known cave paintings.
35,000 years ago - Invention of the calendar, extinction of Homo neanderthalensis. Homo sapiens arrives in Europe.
50,000 years ago - Homo sapiens arrives in central Asia.
100,000 years ago - Homo sapiens arrives in the Middle East.
110,000 years ago - Beginning of the most recent glacial period: the Wisconsin glaciation.
130,000 years ago - Beginning of the Eemian interglacial.
200,000 years ago - Beginning of the 2nd most recent glacial period: the Wolstonian glaciation.