Add punctuation: Since 1995 DECIX has been the leading Internet Exchange in Germany enabling the exchange of IPtraffic between Internet Service Providers ISPs
A: Since 1995, DE-CIX has been the leading Internet Exchange in Germany enabling the exchange of IP-traffic between Internet Service Providers (ISPs).

Add punctuation: The prime ministership was held by a representative of the Umma Muhammad Ahmad Mahjub but the leader of the NUP Azhari was made president
A: The prime ministership was held by a representative of the Umma, Muhammad Ahmad Mahjub, but the leader of the NUP, Azhari, was made president.

Add punctuation: Death April 8 1976 in Bolbro Odense Denmark
A:
Death: April 8, 1976 in Bolbro, Odense, Denmark