Complex sentence: The Egyptian collection dates back to the last twenty years of the 19th century, while it is worthy to note the donation of the Egyptian government which during 1893 offered nine mummies of the era of the Pharaohs.
Split into simpler sentences: The Egyptian collection dates back to the last twenty years of the 19th century. Notable is the donation of the Egyptian government which in 1893 offered nine mummies of the era of the Pharaohs.