This contradicts the Egyptian rules of calligraphy on royal monuments.

As Egyptian rule became more secure, the government became less harsh.

Gaza was under Egyptian rule from 1949 to 1967, as you note.

In fact, it was under Egyptian military rule.

Is it the definitive end of native Egyptian rule (at least until the 20th century)?

He was killed by supporters of the Mahdi, a rebel against Egyptian rule in the country.

Nubia rebelled against Egyptian rule again in his fourth year.

He returned to Gaza in 1954, by which time it was under Egyptian rule.

When Egyptian rule was present on the island.

The period of Egyptian rule is not remembered fondly here either.